205128735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{17923}}^1$

素因数の和:18047

約数の個数: 32

約数和(自身を含む): 378554880

約数和(自身を除く): 173426145

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 109, 327, 545, 763, 1635, 2289, 3815, 11445, 17923, 53769, 89615, 125461, 268845, 376383, 627305, 1881915, 1953607, 5860821, 9768035, 13675249, 29304105, 41025747, 68376245, 205128735]

約数ペア:

[(1, 205128735), (3, 68376245), (5, 41025747), (7, 29304105), (15, 13675249), (21, 9768035), (35, 5860821), (105, 1953607), (109, 1881915), (327, 627305), (545, 376383), (763, 268845), (1635, 125461), (2289, 89615), (3815, 53769), (11445, 17923)]