85880979

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{13421}}^1$

素因数の和:13512

約数の個数: 20

約数和(自身を含む): 129924960

約数和(自身を除く): 44043981

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 13421, 40263, 120789, 362367, 1060259, 1087101, 3180777, 9542331, 28626993, 85880979]

約数ペア:

[(1, 85880979), (3, 28626993), (9, 9542331), (27, 3180777), (79, 1087101), (81, 1060259), (237, 362367), (711, 120789), (2133, 40263), (6399, 13421)]