278315145

素因数分解:

$3^2\times 5^1\times {\mathrm{1583}}^1\times {\mathrm{3907}}^1$

素因数の和:5501

約数の個数: 24

約数和(自身を含む): 482841216

約数和(自身を除く): 204526071

約数列:

[1, 3, 5, 9, 15, 45, 1583, 3907, 4749, 7915, 11721, 14247, 19535, 23745, 35163, 58605, 71235, 175815, 6184781, 18554343, 30923905, 55663029, 92771715, 278315145]

約数ペア:

[(1, 278315145), (3, 92771715), (5, 55663029), (9, 30923905), (15, 18554343), (45, 6184781), (1583, 175815), (3907, 71235), (4749, 58605), (7915, 35163), (11721, 23745), (14247, 19535)]