51390369

素因数分解:

$3^5\times {\mathrm{79}}^1\times {\mathrm{2677}}^1$

素因数の和:2771

約数の個数: 24

約数和(自身を含む): 77983360

約数和(自身を除く): 26592991

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 711, 2133, 2677, 6399, 8031, 19197, 24093, 72279, 211483, 216837, 634449, 650511, 1903347, 5710041, 17130123, 51390369]

約数ペア:

[(1, 51390369), (3, 17130123), (9, 5710041), (27, 1903347), (79, 650511), (81, 634449), (237, 216837), (243, 211483), (711, 72279), (2133, 24093), (2677, 19197), (6399, 8031)]