213431679

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{13241}}^1$

素因数の和:13452

約数の個数: 20

約数和(自身を含む): 320456400

約数和(自身を除く): 107024721

約数列:

[1, 3, 9, 27, 81, 199, 597, 1791, 5373, 13241, 16119, 39723, 119169, 357507, 1072521, 2634959, 7904877, 23714631, 71143893, 213431679]

約数ペア:

[(1, 213431679), (3, 71143893), (9, 23714631), (27, 7904877), (81, 2634959), (199, 1072521), (597, 357507), (1791, 119169), (5373, 39723), (13241, 16119)]