280972275

素因数分解:

$3^1\times 5^2\times {\mathrm{313}}^1\times {\mathrm{11969}}^1$

素因数の和:12295

約数の個数: 24

約数和(自身を含む): 466063920

約数和(自身を除く): 185091645

約数列:

[1, 3, 5, 15, 25, 75, 313, 939, 1565, 4695, 7825, 11969, 23475, 35907, 59845, 179535, 299225, 897675, 3746297, 11238891, 18731485, 56194455, 93657425, 280972275]

約数ペア:

[(1, 280972275), (3, 93657425), (5, 56194455), (15, 18731485), (25, 11238891), (75, 3746297), (313, 897675), (939, 299225), (1565, 179535), (4695, 59845), (7825, 35907), (11969, 23475)]