15031225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{4969}}^1$

素因数の和:5001

約数の個数: 18

約数和(自身を含む): 20491310

約数和(自身を除く): 5460085

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 4969, 24845, 54659, 124225, 273295, 601249, 1366475, 3006245, 15031225]

約数ペア:

[(1, 15031225), (5, 3006245), (11, 1366475), (25, 601249), (55, 273295), (121, 124225), (275, 54659), (605, 24845), (3025, 4969)]