9728225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 13358520

約数和(自身を除く): 3630295

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 481, 809, 925, 2405, 4045, 10517, 12025, 20225, 29933, 52585, 149665, 262925, 389129, 748325, 1945645, 9728225]

約数ペア:

[(1, 9728225), (5, 1945645), (13, 748325), (25, 389129), (37, 262925), (65, 149665), (185, 52585), (325, 29933), (481, 20225), (809, 12025), (925, 10517), (2405, 4045)]