39957831

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1409}}^1$

素因数の和:1575

約数の個数: 24

約数和(自身を含む): 60708960

約数和(自身を除く): 20751129

約数列:

[1, 3, 9, 23, 69, 137, 207, 411, 1233, 1409, 3151, 4227, 9453, 12681, 28359, 32407, 97221, 193033, 291663, 579099, 1737297, 4439759, 13319277, 39957831]

約数ペア:

[(1, 39957831), (3, 13319277), (9, 4439759), (23, 1737297), (69, 579099), (137, 291663), (207, 193033), (411, 97221), (1233, 32407), (1409, 28359), (3151, 12681), (4227, 9453)]