123568225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{40849}}^1$

素因数の和:40881

約数の個数: 18

約数和(自身を含む): 168424550

約数和(自身を除く): 44856325

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 40849, 204245, 449339, 1021225, 2246695, 4942729, 11233475, 24713645, 123568225]

約数ペア:

[(1, 123568225), (5, 24713645), (11, 11233475), (25, 4942729), (55, 2246695), (121, 1021225), (275, 449339), (605, 204245), (3025, 40849)]