15922625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 21565440

約数和(自身を除く): 5642815

約数列:

[1, 5, 17, 25, 59, 85, 125, 127, 295, 425, 635, 1003, 1475, 2125, 2159, 3175, 5015, 7375, 7493, 10795, 15875, 25075, 37465, 53975, 125375, 127381, 187325, 269875, 636905, 936625, 3184525, 15922625]

約数ペア:

[(1, 15922625), (5, 3184525), (17, 936625), (25, 636905), (59, 269875), (85, 187325), (125, 127381), (127, 125375), (295, 53975), (425, 37465), (635, 25075), (1003, 15875), (1475, 10795), (2125, 7493), (2159, 7375), (3175, 5015)]