15221635

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 21873600

約数和(自身を除く): 6651965

約数列:

[1, 5, 11, 13, 55, 61, 65, 143, 305, 349, 671, 715, 793, 1745, 3355, 3839, 3965, 4537, 8723, 19195, 21289, 22685, 43615, 49907, 106445, 234179, 249535, 276757, 1170895, 1383785, 3044327, 15221635]

約数ペア:

[(1, 15221635), (5, 3044327), (11, 1383785), (13, 1170895), (55, 276757), (61, 249535), (65, 234179), (143, 106445), (305, 49907), (349, 43615), (671, 22685), (715, 21289), (793, 19195), (1745, 8723), (3355, 4537), (3839, 3965)]