3871275

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 6499584

約数和(自身を除く): 2628309

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 727, 1065, 1775, 2181, 3635, 5325, 10905, 18175, 51617, 54525, 154851, 258085, 774255, 1290425, 3871275]

約数ペア:

[(1, 3871275), (3, 1290425), (5, 774255), (15, 258085), (25, 154851), (71, 54525), (75, 51617), (213, 18175), (355, 10905), (727, 5325), (1065, 3635), (1775, 2181)]