15520323

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 25715200

約数和(自身を除く): 10194877

約数列:

[1, 3, 7, 13, 21, 39, 91, 139, 273, 409, 417, 973, 1227, 1807, 2863, 2919, 5317, 5421, 8589, 12649, 15951, 37219, 37947, 56851, 111657, 170553, 397957, 739063, 1193871, 2217189, 5173441, 15520323]

約数ペア:

[(1, 15520323), (3, 5173441), (7, 2217189), (13, 1193871), (21, 739063), (39, 397957), (91, 170553), (139, 111657), (273, 56851), (409, 37947), (417, 37219), (973, 15951), (1227, 12649), (1807, 8589), (2863, 5421), (2919, 5317)]