11988639

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5393}}^1$

素因数の和:5431

約数の個数: 24

約数和(自身を含む): 19634160

約数和(自身を除く): 7645521

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 5393, 16179, 48537, 70109, 102467, 210327, 307401, 630981, 922203, 1332071, 3996213, 11988639]

約数ペア:

[(1, 11988639), (3, 3996213), (9, 1332071), (13, 922203), (19, 630981), (39, 307401), (57, 210327), (117, 102467), (171, 70109), (247, 48537), (741, 16179), (2223, 5393)]