15389825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{293}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 20998656

約数和(自身を除く): 5608831

約数列:

[1, 5, 11, 25, 55, 191, 275, 293, 955, 1465, 2101, 3223, 4775, 7325, 10505, 16115, 52525, 55963, 80575, 279815, 615593, 1399075, 3077965, 15389825]

約数ペア:

[(1, 15389825), (5, 3077965), (11, 1399075), (25, 615593), (55, 279815), (191, 80575), (275, 55963), (293, 52525), (955, 16115), (1465, 10505), (2101, 7325), (3223, 4775)]