18142275

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{3407}}^1$

素因数の和:3491

約数の個数: 24

約数和(自身を含む): 30426624

約数和(自身を除く): 12284349

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 3407, 5325, 10221, 17035, 51105, 85175, 241897, 255525, 725691, 1209485, 3628455, 6047425, 18142275]

約数ペア:

[(1, 18142275), (3, 6047425), (5, 3628455), (15, 1209485), (25, 725691), (71, 255525), (75, 241897), (213, 85175), (355, 51105), (1065, 17035), (1775, 10221), (3407, 5325)]