18145557

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 27027000

約数和(自身を除く): 8881443

約数列:

[1, 3, 9, 53, 109, 159, 327, 349, 477, 981, 1047, 3141, 5777, 17331, 18497, 38041, 51993, 55491, 114123, 166473, 342369, 2016173, 6048519, 18145557]

約数ペア:

[(1, 18145557), (3, 6048519), (9, 2016173), (53, 342369), (109, 166473), (159, 114123), (327, 55491), (349, 51993), (477, 38041), (981, 18497), (1047, 17331), (3141, 5777)]