15561018

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:129

約数の個数: 128

約数和(自身を含む): 42301440

約数和(自身を除く): 26740422

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 23, 27, 33, 34, 46, 51, 54, 66, 67, 69, 99, 102, 134, 138, 153, 187, 198, 201, 207, 253, 297, 306, 374, 391, 402, 414, 459, 506, 561, 594, 603, 621, 737, 759, 782, 918, 1122, 1139, 1173, 1206, 1242, 1474, 1518, 1541, 1683, 1809, 2211, 2277, 2278, 2346, 3082, 3366, 3417, 3519, 3618, 4301, 4422, 4554, 4623, 5049, 6633, 6831, 6834, 7038, 8602, 9246, 10098, 10251, 10557, 12529, 12903, 13266, 13662, 13869, 16951, 19899, 20502, 21114, 25058, 25806, 26197, 27738, 30753, 33902, 37587, 38709, 39798, 41607, 50853, 52394, 61506, 75174, 77418, 78591, 83214, 101706, 112761, 116127, 152559, 157182, 225522, 232254, 235773, 288167, 305118, 338283, 457677, 471546, 576334, 676566, 707319, 864501, 915354, 1414638, 1729002, 2593503, 5187006, 7780509, 15561018]

約数ペア:

[(1, 15561018), (2, 7780509), (3, 5187006), (6, 2593503), (9, 1729002), (11, 1414638), (17, 915354), (18, 864501), (22, 707319), (23, 676566), (27, 576334), (33, 471546), (34, 457677), (46, 338283), (51, 305118), (54, 288167), (66, 235773), (67, 232254), (69, 225522), (99, 157182), (102, 152559), (134, 116127), (138, 112761), (153, 101706), (187, 83214), (198, 78591), (201, 77418), (207, 75174), (253, 61506), (297, 52394), (306, 50853), (374, 41607), (391, 39798), (402, 38709), (414, 37587), (459, 33902), (506, 30753), (561, 27738), (594, 26197), (603, 25806), (621, 25058), (737, 21114), (759, 20502), (782, 19899), (918, 16951), (1122, 13869), (1139, 13662), (1173, 13266), (1206, 12903), (1242, 12529), (1474, 10557), (1518, 10251), (1541, 10098), (1683, 9246), (1809, 8602), (2211, 7038), (2277, 6834), (2278, 6831), (2346, 6633), (3082, 5049), (3366, 4623), (3417, 4554), (3519, 4422), (3618, 4301)]