218909985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{13807}}^1$

素因数の和:13973

約数の個数: 32

約数和(自身を含む): 402972672

約数和(自身を除く): 184062687

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 151, 453, 755, 1057, 2265, 3171, 5285, 13807, 15855, 41421, 69035, 96649, 207105, 289947, 483245, 1449735, 2084857, 6254571, 10424285, 14593999, 31272855, 43781997, 72969995, 218909985]

約数ペア:

[(1, 218909985), (3, 72969995), (5, 43781997), (7, 31272855), (15, 14593999), (21, 10424285), (35, 6254571), (105, 2084857), (151, 1449735), (453, 483245), (755, 289947), (1057, 207105), (2265, 96649), (3171, 69035), (5285, 41421), (13807, 15855)]