15757225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{5209}}^1$

素因数の和:5241

約数の個数: 18

約数和(自身を含む): 21480830

約数和(自身を除く): 5723605

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 5209, 26045, 57299, 130225, 286495, 630289, 1432475, 3151445, 15757225]

約数ペア:

[(1, 15757225), (5, 3151445), (11, 1432475), (25, 630289), (55, 286495), (121, 130225), (275, 57299), (605, 26045), (3025, 5209)]