208067715

素因数分解:

$3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{15061}}^1$

素因数の和:15379

約数の個数: 24

約数和(自身を含む): 361849488

約数和(自身を除く): 153781773

約数列:

[1, 3, 5, 9, 15, 45, 307, 921, 1535, 2763, 4605, 13815, 15061, 45183, 75305, 135549, 225915, 677745, 4623727, 13871181, 23118635, 41613543, 69355905, 208067715]

約数ペア:

[(1, 208067715), (3, 69355905), (5, 41613543), (9, 23118635), (15, 13871181), (45, 4623727), (307, 677745), (921, 225915), (1535, 135549), (2763, 75305), (4605, 45183), (13815, 15061)]