72881415

素因数分解:

$3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3847}}^1$

素因数の和:4279

約数の個数: 24

約数和(自身を含む): 126660768

約数和(自身を除く): 53779353

約数列:

[1, 3, 5, 9, 15, 45, 421, 1263, 2105, 3789, 3847, 6315, 11541, 18945, 19235, 34623, 57705, 173115, 1619587, 4858761, 8097935, 14576283, 24293805, 72881415]

約数ペア:

[(1, 72881415), (3, 24293805), (5, 14576283), (9, 8097935), (15, 4858761), (45, 1619587), (421, 173115), (1263, 57705), (2105, 34623), (3789, 19235), (3847, 18945), (6315, 11541)]