81771399

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{2447}}^1$

素因数の和:2579

約数の個数: 24

約数和(自身を含む): 122204160

約数和(自身を除く): 40432761

約数列:

[1, 3, 9, 47, 79, 141, 237, 423, 711, 2447, 3713, 7341, 11139, 22023, 33417, 115009, 193313, 345027, 579939, 1035081, 1739817, 9085711, 27257133, 81771399]

約数ペア:

[(1, 81771399), (3, 27257133), (9, 9085711), (47, 1739817), (79, 1035081), (141, 579939), (237, 345027), (423, 193313), (711, 115009), (2447, 33417), (3713, 22023), (7341, 11139)]