12251421

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2137}}^1$

素因数の和:2170

約数の個数: 36

約数和(自身を含む): 22179612

約数和(自身を除く): 9928191

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 2137, 5733, 6411, 14959, 19233, 27781, 44877, 83343, 104713, 134631, 194467, 250029, 314139, 583401, 942417, 1361269, 1750203, 4083807, 12251421]

約数ペア:

[(1, 12251421), (3, 4083807), (7, 1750203), (9, 1361269), (13, 942417), (21, 583401), (39, 314139), (49, 250029), (63, 194467), (91, 134631), (117, 104713), (147, 83343), (273, 44877), (441, 27781), (637, 19233), (819, 14959), (1911, 6411), (2137, 5733)]