343800925

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{81373}}^1$

素因数の和:81409

約数の個数: 18

約数和(自身を含む): 461634702

約数和(自身を除く): 117833777

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 81373, 406865, 1057849, 2034325, 5289245, 13752037, 26446225, 68760185, 343800925]

約数ペア:

[(1, 343800925), (5, 68760185), (13, 26446225), (25, 13752037), (65, 5289245), (169, 2034325), (325, 1057849), (845, 406865), (4225, 81373)]