12121389

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1063}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 20139392

約数和(自身を除く): 8018003

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1063, 1267, 1629, 3189, 3801, 7441, 9567, 11403, 22323, 66969, 192403, 577209, 1346821, 1731627, 4040463, 12121389]

約数ペア:

[(1, 12121389), (3, 4040463), (7, 1731627), (9, 1346821), (21, 577209), (63, 192403), (181, 66969), (543, 22323), (1063, 11403), (1267, 9567), (1629, 7441), (3189, 3801)]