39719709

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2131}}^1$

素因数の和:2265

約数の個数: 24

約数和(自身を含む): 60975200

約数和(自身を除く): 21255491

約数列:

[1, 3, 9, 19, 57, 109, 171, 327, 981, 2071, 2131, 6213, 6393, 18639, 19179, 40489, 121467, 232279, 364401, 696837, 2090511, 4413301, 13239903, 39719709]

約数ペア:

[(1, 39719709), (3, 13239903), (9, 4413301), (19, 2090511), (57, 696837), (109, 364401), (171, 232279), (327, 121467), (981, 40489), (2071, 19179), (2131, 18639), (6213, 6393)]