56251815

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 92456640

約数和(自身を除く): 36204825

約数列:

[1, 3, 5, 15, 53, 159, 173, 265, 409, 519, 795, 865, 1227, 2045, 2595, 6135, 9169, 21677, 27507, 45845, 65031, 70757, 108385, 137535, 212271, 325155, 353785, 1061355, 3750121, 11250363, 18750605, 56251815]

約数ペア:

[(1, 56251815), (3, 18750605), (5, 11250363), (15, 3750121), (53, 1061355), (159, 353785), (173, 325155), (265, 212271), (409, 137535), (519, 108385), (795, 70757), (865, 65031), (1227, 45845), (2045, 27507), (2595, 21677), (6135, 9169)]