15131286

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 80

約数和(自身を含む): 36799488

約数和(自身を除く): 21668202

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 31, 46, 54, 62, 69, 81, 93, 131, 138, 162, 186, 207, 262, 279, 393, 414, 558, 621, 713, 786, 837, 1179, 1242, 1426, 1674, 1863, 2139, 2358, 2511, 3013, 3537, 3726, 4061, 4278, 5022, 6026, 6417, 7074, 8122, 9039, 10611, 12183, 12834, 18078, 19251, 21222, 24366, 27117, 36549, 38502, 54234, 57753, 73098, 81351, 93403, 109647, 115506, 162702, 186806, 219294, 244053, 280209, 328941, 488106, 560418, 657882, 840627, 1681254, 2521881, 5043762, 7565643, 15131286]

約数ペア:

[(1, 15131286), (2, 7565643), (3, 5043762), (6, 2521881), (9, 1681254), (18, 840627), (23, 657882), (27, 560418), (31, 488106), (46, 328941), (54, 280209), (62, 244053), (69, 219294), (81, 186806), (93, 162702), (131, 115506), (138, 109647), (162, 93403), (186, 81351), (207, 73098), (262, 57753), (279, 54234), (393, 38502), (414, 36549), (558, 27117), (621, 24366), (713, 21222), (786, 19251), (837, 18078), (1179, 12834), (1242, 12183), (1426, 10611), (1674, 9039), (1863, 8122), (2139, 7074), (2358, 6417), (2511, 6026), (3013, 5022), (3537, 4278), (3726, 4061)]