12928491

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{827}}^1$

素因数の和:1032

約数の個数: 20

約数和(自身を含む): 19436472

約数和(自身を除く): 6507981

約数列:

[1, 3, 9, 27, 81, 193, 579, 827, 1737, 2481, 5211, 7443, 15633, 22329, 66987, 159611, 478833, 1436499, 4309497, 12928491]

約数ペア:

[(1, 12928491), (3, 4309497), (9, 1436499), (27, 478833), (81, 159611), (193, 66987), (579, 22329), (827, 15633), (1737, 7443), (2481, 5211)]