12420459

素因数分解:

$3^5\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 18869760

約数和(自身を除く): 6449301

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 647, 711, 1941, 2133, 5823, 6399, 17469, 19197, 51113, 52407, 153339, 157221, 460017, 1380051, 4140153, 12420459]

約数ペア:

[(1, 12420459), (3, 4140153), (9, 1380051), (27, 460017), (79, 157221), (81, 153339), (237, 52407), (243, 51113), (647, 19197), (711, 17469), (1941, 6399), (2133, 5823)]