18104985

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3271}}^1$

素因数の和:3326

約数の個数: 32

約数和(自身を含む): 32981760

約数和(自身を除く): 14876775

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 3271, 5535, 9813, 16355, 29439, 49065, 88317, 134111, 147195, 402333, 441585, 670555, 1206999, 2011665, 3620997, 6034995, 18104985]

約数ペア:

[(1, 18104985), (3, 6034995), (5, 3620997), (9, 2011665), (15, 1206999), (27, 670555), (41, 441585), (45, 402333), (123, 147195), (135, 134111), (205, 88317), (369, 49065), (615, 29439), (1107, 16355), (1845, 9813), (3271, 5535)]