142729525

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 180845568

約数和(自身を除く): 38116043

約数列:

[1, 5, 25, 71, 191, 355, 421, 955, 1775, 2105, 4775, 10525, 13561, 29891, 67805, 80411, 149455, 339025, 402055, 747275, 2010275, 5709181, 28545905, 142729525]

約数ペア:

[(1, 142729525), (5, 28545905), (25, 5709181), (71, 2010275), (191, 747275), (355, 402055), (421, 339025), (955, 149455), (1775, 80411), (2105, 67805), (4775, 29891), (10525, 13561)]