3990931

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:874

約数の個数: 16

約数和(自身を含む): 4936960

約数和(自身を除く): 946029

約数列:

[1, 7, 19, 37, 133, 259, 703, 811, 4921, 5677, 15409, 30007, 107863, 210049, 570133, 3990931]

約数ペア:

[(1, 3990931), (7, 570133), (19, 210049), (37, 107863), (133, 30007), (259, 15409), (703, 5677), (811, 4921)]