15220865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 21482496

約数和(自身を除く): 6261631

約数列:

[1, 5, 11, 17, 55, 73, 85, 187, 223, 365, 803, 935, 1115, 1241, 2453, 3791, 4015, 6205, 12265, 13651, 16279, 18955, 41701, 68255, 81395, 179069, 208505, 276743, 895345, 1383715, 3044173, 15220865]

約数ペア:

[(1, 15220865), (5, 3044173), (11, 1383715), (17, 895345), (55, 276743), (73, 208505), (85, 179069), (187, 81395), (223, 68255), (365, 41701), (803, 18955), (935, 16279), (1115, 13651), (1241, 12265), (2453, 6205), (3791, 4015)]