81085991

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{1483}}^1$

素因数の和:1670

約数の個数: 16

約数和(自身を含む): 94881024

約数和(自身を除く): 13795033

約数列:

[1, 7, 73, 107, 511, 749, 1483, 7811, 10381, 54677, 108259, 158681, 757813, 1110767, 11583713, 81085991]

約数ペア:

[(1, 81085991), (7, 11583713), (73, 1110767), (107, 757813), (511, 158681), (749, 108259), (1483, 54677), (7811, 10381)]