253972017

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{18553}}^1$

素因数の和:18591

約数の個数: 30

約数和(自身を含む): 410841222

約数和(自身を除く): 156869205

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 351, 507, 1053, 1521, 4563, 13689, 18553, 55659, 166977, 241189, 500931, 723567, 1502793, 2170701, 3135457, 6512103, 9406371, 19536309, 28219113, 84657339, 253972017]

約数ペア:

[(1, 253972017), (3, 84657339), (9, 28219113), (13, 19536309), (27, 9406371), (39, 6512103), (81, 3135457), (117, 2170701), (169, 1502793), (351, 723567), (507, 500931), (1053, 241189), (1521, 166977), (4563, 55659), (13689, 18553)]