81394963

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 95736816

約数和(自身を除く): 14341853

約数列:

[1, 13, 17, 41, 169, 221, 533, 691, 697, 2873, 6929, 8983, 9061, 11747, 28331, 116779, 117793, 152711, 368303, 481627, 1985243, 4787939, 6261151, 81394963]

約数ペア:

[(1, 81394963), (13, 6261151), (17, 4787939), (41, 1985243), (169, 481627), (221, 368303), (533, 152711), (691, 117793), (697, 116779), (2873, 28331), (6929, 11747), (8983, 9061)]