15697375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 32

約数和(自身を含む): 21228480

約数和(自身を除く): 5531105

約数列:

[1, 5, 17, 25, 83, 85, 89, 125, 415, 425, 445, 1411, 1513, 2075, 2125, 2225, 7055, 7387, 7565, 10375, 11125, 35275, 36935, 37825, 125579, 176375, 184675, 189125, 627895, 923375, 3139475, 15697375]

約数ペア:

[(1, 15697375), (5, 3139475), (17, 923375), (25, 627895), (83, 189125), (85, 184675), (89, 176375), (125, 125579), (415, 37825), (425, 36935), (445, 35275), (1411, 11125), (1513, 10375), (2075, 7565), (2125, 7387), (2225, 7055)]