128826405

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{18959}}^1$

素因数の和:19121

約数の個数: 24

約数和(自身を含む): 224789760

約数和(自身を除く): 95963355

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 1359, 2265, 6795, 18959, 56877, 94795, 170631, 284385, 853155, 2862809, 8588427, 14314045, 25765281, 42942135, 128826405]

約数ペア:

[(1, 128826405), (3, 42942135), (5, 25765281), (9, 14314045), (15, 8588427), (45, 2862809), (151, 853155), (453, 284385), (755, 170631), (1359, 94795), (2265, 56877), (6795, 18959)]