13016575

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:376

約数の個数: 36

約数和(自身を含む): 19163704

約数和(自身を除く): 6147129

約数列:

[1, 5, 11, 13, 25, 55, 65, 121, 143, 275, 325, 331, 605, 715, 1573, 1655, 3025, 3575, 3641, 4303, 7865, 8275, 18205, 21515, 39325, 40051, 47333, 91025, 107575, 200255, 236665, 520663, 1001275, 1183325, 2603315, 13016575]

約数ペア:

[(1, 13016575), (5, 2603315), (11, 1183325), (13, 1001275), (25, 520663), (55, 236665), (65, 200255), (121, 107575), (143, 91025), (275, 47333), (325, 40051), (331, 39325), (605, 21515), (715, 18205), (1573, 8275), (1655, 7865), (3025, 4303), (3575, 3641)]