15905201

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 17998848

約数和(自身を除く): 2093647

約数列:

[1, 13, 31, 61, 403, 647, 793, 1891, 8411, 20057, 24583, 39467, 260741, 513071, 1223477, 15905201]

約数ペア:

[(1, 15905201), (13, 1223477), (31, 513071), (61, 260741), (403, 39467), (647, 24583), (793, 20057), (1891, 8411)]