128388045

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^2\times {\mathrm{443}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 207376416

約数和(自身を除く): 78988371

約数列:

[1, 3, 5, 15, 139, 417, 443, 695, 1329, 2085, 2215, 6645, 19321, 57963, 61577, 96605, 184731, 289815, 307885, 923655, 8559203, 25677609, 42796015, 128388045]

約数ペア:

[(1, 128388045), (3, 42796015), (5, 25677609), (15, 8559203), (139, 923655), (417, 307885), (443, 289815), (695, 184731), (1329, 96605), (2085, 61577), (2215, 57963), (6645, 19321)]