221515668

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:136

約数の個数: 192

約数和(自身を含む): 668989440

約数和(自身を除く): 447473772

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 27, 33, 36, 44, 46, 54, 66, 67, 69, 92, 99, 108, 121, 132, 134, 138, 198, 201, 207, 242, 253, 268, 276, 297, 363, 396, 402, 414, 484, 506, 594, 603, 621, 726, 737, 759, 804, 828, 1012, 1089, 1188, 1206, 1242, 1331, 1452, 1474, 1518, 1541, 1809, 2178, 2211, 2277, 2412, 2484, 2662, 2783, 2948, 3036, 3082, 3267, 3618, 3993, 4356, 4422, 4554, 4623, 5324, 5566, 6164, 6534, 6633, 6831, 7236, 7986, 8107, 8349, 8844, 9108, 9246, 11132, 11979, 13068, 13266, 13662, 13869, 15972, 16214, 16698, 16951, 18492, 19899, 23958, 24321, 25047, 26532, 27324, 27738, 30613, 32428, 33396, 33902, 35937, 39798, 41607, 47916, 48642, 50094, 50853, 55476, 61226, 67804, 71874, 72963, 75141, 79596, 83214, 89177, 91839, 97284, 100188, 101706, 122452, 143748, 145926, 150282, 152559, 166428, 178354, 183678, 186461, 203412, 218889, 267531, 275517, 291852, 300564, 305118, 356708, 367356, 372922, 437778, 457677, 535062, 551034, 559383, 610236, 745844, 802593, 826551, 875556, 915354, 1070124, 1102068, 1118766, 1605186, 1653102, 1678149, 1830708, 2051071, 2237532, 2407779, 3210372, 3306204, 3356298, 4102142, 4815558, 5034447, 6153213, 6712596, 8204284, 9631116, 10068894, 12306426, 18459639, 20137788, 24612852, 36919278, 55378917, 73838556, 110757834, 221515668]

約数ペア:

[(1, 221515668), (2, 110757834), (3, 73838556), (4, 55378917), (6, 36919278), (9, 24612852), (11, 20137788), (12, 18459639), (18, 12306426), (22, 10068894), (23, 9631116), (27, 8204284), (33, 6712596), (36, 6153213), (44, 5034447), (46, 4815558), (54, 4102142), (66, 3356298), (67, 3306204), (69, 3210372), (92, 2407779), (99, 2237532), (108, 2051071), (121, 1830708), (132, 1678149), (134, 1653102), (138, 1605186), (198, 1118766), (201, 1102068), (207, 1070124), (242, 915354), (253, 875556), (268, 826551), (276, 802593), (297, 745844), (363, 610236), (396, 559383), (402, 551034), (414, 535062), (484, 457677), (506, 437778), (594, 372922), (603, 367356), (621, 356708), (726, 305118), (737, 300564), (759, 291852), (804, 275517), (828, 267531), (1012, 218889), (1089, 203412), (1188, 186461), (1206, 183678), (1242, 178354), (1331, 166428), (1452, 152559), (1474, 150282), (1518, 145926), (1541, 143748), (1809, 122452), (2178, 101706), (2211, 100188), (2277, 97284), (2412, 91839), (2484, 89177), (2662, 83214), (2783, 79596), (2948, 75141), (3036, 72963), (3082, 71874), (3267, 67804), (3618, 61226), (3993, 55476), (4356, 50853), (4422, 50094), (4554, 48642), (4623, 47916), (5324, 41607), (5566, 39798), (6164, 35937), (6534, 33902), (6633, 33396), (6831, 32428), (7236, 30613), (7986, 27738), (8107, 27324), (8349, 26532), (8844, 25047), (9108, 24321), (9246, 23958), (11132, 19899), (11979, 18492), (13068, 16951), (13266, 16698), (13662, 16214), (13869, 15972)]