13407875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 18590208

約数和(自身を除く): 5182333

約数列:

[1, 5, 13, 25, 37, 65, 125, 185, 223, 325, 481, 925, 1115, 1625, 2405, 2899, 4625, 5575, 8251, 12025, 14495, 27875, 41255, 60125, 72475, 107263, 206275, 362375, 536315, 1031375, 2681575, 13407875]

約数ペア:

[(1, 13407875), (5, 2681575), (13, 1031375), (25, 536315), (37, 362375), (65, 206275), (125, 107263), (185, 72475), (223, 60125), (325, 41255), (481, 27875), (925, 14495), (1115, 12025), (1625, 8251), (2405, 5575), (2899, 4625)]