81343031

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{6481}}^1$

素因数の和:6662

約数の個数: 16

約数和(自身を含む): 102052608

約数和(自身を除く): 20709577

約数列:

[1, 7, 11, 77, 163, 1141, 1793, 6481, 12551, 45367, 71291, 499037, 1056403, 7394821, 11620433, 81343031]

約数ペア:

[(1, 81343031), (7, 11620433), (11, 7394821), (77, 1056403), (163, 499037), (1141, 71291), (1793, 45367), (6481, 12551)]