7889967

素因数分解:

$3^6\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 28

約数和(自身を含む): 12066720

約数和(自身を除く): 4176753

約数列:

[1, 3, 9, 27, 79, 81, 137, 237, 243, 411, 711, 729, 1233, 2133, 3699, 6399, 10823, 11097, 19197, 32469, 33291, 57591, 97407, 99873, 292221, 876663, 2629989, 7889967]

約数ペア:

[(1, 7889967), (3, 2629989), (9, 876663), (27, 292221), (79, 99873), (81, 97407), (137, 57591), (237, 33291), (243, 32469), (411, 19197), (711, 11097), (729, 10823), (1233, 6399), (2133, 3699)]