39917553

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 59845632

約数和(自身を除く): 19928079

約数列:

[1, 3, 13, 31, 39, 93, 137, 241, 403, 411, 723, 1209, 1781, 3133, 4247, 5343, 7471, 9399, 12741, 22413, 33017, 55211, 97123, 99051, 165633, 291369, 429221, 1023527, 1287663, 3070581, 13305851, 39917553]

約数ペア:

[(1, 39917553), (3, 13305851), (13, 3070581), (31, 1287663), (39, 1023527), (93, 429221), (137, 291369), (241, 165633), (403, 99051), (411, 97123), (723, 55211), (1209, 33017), (1781, 22413), (3133, 12741), (4247, 9399), (5343, 7471)]