12291561

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 19641600

約数和(自身を除く): 7350039

約数列:

[1, 3, 9, 17, 27, 51, 61, 153, 183, 439, 459, 549, 1037, 1317, 1647, 3111, 3951, 7463, 9333, 11853, 22389, 26779, 27999, 67167, 80337, 201501, 241011, 455243, 723033, 1365729, 4097187, 12291561]

約数ペア:

[(1, 12291561), (3, 4097187), (9, 1365729), (17, 723033), (27, 455243), (51, 241011), (61, 201501), (153, 80337), (183, 67167), (439, 27999), (459, 26779), (549, 22389), (1037, 11853), (1317, 9333), (1647, 7463), (3111, 3951)]