31064985

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 64143360

約数和(自身を除く): 33078375

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 71, 105, 135, 189, 213, 315, 355, 463, 497, 639, 945, 1065, 1389, 1491, 1917, 2315, 2485, 3195, 3241, 4167, 4473, 6945, 7455, 9585, 9723, 12501, 13419, 16205, 20835, 22365, 29169, 32873, 48615, 62505, 67095, 87507, 98619, 145845, 164365, 230111, 295857, 437535, 493095, 690333, 887571, 1150555, 1479285, 2070999, 3451665, 4437855, 6212997, 10354995, 31064985]

約数ペア:

[(1, 31064985), (3, 10354995), (5, 6212997), (7, 4437855), (9, 3451665), (15, 2070999), (21, 1479285), (27, 1150555), (35, 887571), (45, 690333), (63, 493095), (71, 437535), (105, 295857), (135, 230111), (189, 164365), (213, 145845), (315, 98619), (355, 87507), (463, 67095), (497, 62505), (639, 48615), (945, 32873), (1065, 29169), (1389, 22365), (1491, 20835), (1917, 16205), (2315, 13419), (2485, 12501), (3195, 9723), (3241, 9585), (4167, 7455), (4473, 6945)]