15259625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 20756736

約数和(自身を除く): 5497111

約数列:

[1, 5, 17, 25, 43, 85, 125, 167, 215, 425, 731, 835, 1075, 2125, 2839, 3655, 4175, 5375, 7181, 14195, 18275, 20875, 35905, 70975, 91375, 122077, 179525, 354875, 610385, 897625, 3051925, 15259625]

約数ペア:

[(1, 15259625), (5, 3051925), (17, 897625), (25, 610385), (43, 354875), (85, 179525), (125, 122077), (167, 91375), (215, 70975), (425, 35905), (731, 20875), (835, 18275), (1075, 14195), (2125, 7181), (2839, 5375), (3655, 4175)]