81539739

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1933}}^1$

素因数の和:2091

約数の個数: 24

約数和(自身を含む): 121687280

約数和(自身を除く): 40147541

約数列:

[1, 3, 9, 43, 109, 129, 327, 387, 981, 1933, 4687, 5799, 14061, 17397, 42183, 83119, 210697, 249357, 632091, 748071, 1896273, 9059971, 27179913, 81539739]

約数ペア:

[(1, 81539739), (3, 27179913), (9, 9059971), (43, 1896273), (109, 748071), (129, 632091), (327, 249357), (387, 210697), (981, 83119), (1933, 42183), (4687, 17397), (5799, 14061)]