18271225

素因数分解:

$5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{797}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 26123328

約数和(自身を除く): 7852103

約数列:

[1, 5, 7, 25, 35, 131, 175, 655, 797, 917, 3275, 3985, 4585, 5579, 19925, 22925, 27895, 104407, 139475, 522035, 730849, 2610175, 3654245, 18271225]

約数ペア:

[(1, 18271225), (5, 3654245), (7, 2610175), (25, 730849), (35, 522035), (131, 139475), (175, 104407), (655, 27895), (797, 22925), (917, 19925), (3275, 5579), (3985, 4585)]