81168381

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{12041}}^1$

素因数の和:12161

約数の個数: 24

約数和(自身を含む): 135255744

約数和(自身を除く): 54087363

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 6741, 12041, 36123, 84287, 108369, 252861, 758583, 1288387, 3865161, 9018709, 11595483, 27056127, 81168381]

約数ペア:

[(1, 81168381), (3, 27056127), (7, 11595483), (9, 9018709), (21, 3865161), (63, 1288387), (107, 758583), (321, 252861), (749, 108369), (963, 84287), (2247, 36123), (6741, 12041)]