3960981

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:710

約数の個数: 20

約数和(自身を含む): 6001600

約数和(自身を除く): 2040619

約数列:

[1, 3, 9, 27, 79, 81, 237, 619, 711, 1857, 2133, 5571, 6399, 16713, 48901, 50139, 146703, 440109, 1320327, 3960981]

約数ペア:

[(1, 3960981), (3, 1320327), (9, 440109), (27, 146703), (79, 50139), (81, 48901), (237, 16713), (619, 6399), (711, 5571), (1857, 2133)]