3989377

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:328

約数の個数: 16

約数和(自身を含む): 4769152

約数和(自身を除く): 779775

約数列:

[1, 7, 37, 73, 211, 259, 511, 1477, 2701, 7807, 15403, 18907, 54649, 107821, 569911, 3989377]

約数ペア:

[(1, 3989377), (7, 569911), (37, 107821), (73, 54649), (211, 18907), (259, 15403), (511, 7807), (1477, 2701)]