405002538

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 990167040

約数和(自身を除く): 585164502

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 31, 46, 54, 62, 67, 69, 93, 134, 138, 157, 186, 201, 207, 279, 314, 402, 414, 471, 558, 603, 621, 713, 837, 942, 1206, 1242, 1413, 1426, 1541, 1674, 1809, 2077, 2139, 2826, 3082, 3611, 3618, 4154, 4239, 4278, 4623, 4867, 6231, 6417, 7222, 8478, 9246, 9734, 10519, 10833, 12462, 12834, 13869, 14601, 18693, 19251, 21038, 21666, 27738, 29202, 31557, 32499, 37386, 38502, 41607, 43803, 47771, 56079, 63114, 64998, 83214, 87606, 94671, 95542, 97497, 111941, 112158, 131409, 143313, 189342, 194994, 223882, 241937, 262818, 284013, 286626, 326089, 335823, 429939, 483874, 568026, 652178, 671646, 725811, 859878, 978267, 1007469, 1289817, 1451622, 1956534, 2014938, 2177433, 2579634, 2934801, 3022407, 4354866, 5869602, 6044814, 6532299, 7500047, 8804403, 13064598, 15000094, 17608806, 22500141, 45000282, 67500423, 135000846, 202501269, 405002538]

約数ペア:

[(1, 405002538), (2, 202501269), (3, 135000846), (6, 67500423), (9, 45000282), (18, 22500141), (23, 17608806), (27, 15000094), (31, 13064598), (46, 8804403), (54, 7500047), (62, 6532299), (67, 6044814), (69, 5869602), (93, 4354866), (134, 3022407), (138, 2934801), (157, 2579634), (186, 2177433), (201, 2014938), (207, 1956534), (279, 1451622), (314, 1289817), (402, 1007469), (414, 978267), (471, 859878), (558, 725811), (603, 671646), (621, 652178), (713, 568026), (837, 483874), (942, 429939), (1206, 335823), (1242, 326089), (1413, 286626), (1426, 284013), (1541, 262818), (1674, 241937), (1809, 223882), (2077, 194994), (2139, 189342), (2826, 143313), (3082, 131409), (3611, 112158), (3618, 111941), (4154, 97497), (4239, 95542), (4278, 94671), (4623, 87606), (4867, 83214), (6231, 64998), (6417, 63114), (7222, 56079), (8478, 47771), (9246, 43803), (9734, 41607), (10519, 38502), (10833, 37386), (12462, 32499), (12834, 31557), (13869, 29202), (14601, 27738), (18693, 21666), (19251, 21038)]