138685455

素因数分解:

$3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{4793}}^1$

素因数の和:5447

約数の個数: 24

約数和(自身を含む): 240812208

約数和(自身を除く): 102126753

約数列:

[1, 3, 5, 9, 15, 45, 643, 1929, 3215, 4793, 5787, 9645, 14379, 23965, 28935, 43137, 71895, 215685, 3081899, 9245697, 15409495, 27737091, 46228485, 138685455]

約数ペア:

[(1, 138685455), (3, 46228485), (5, 27737091), (9, 15409495), (15, 9245697), (45, 3081899), (643, 215685), (1929, 71895), (3215, 43137), (4793, 28935), (5787, 23965), (9645, 14379)]