24821721

素因数分解:

$3^6\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:528

約数の個数: 28

約数和(自身を含む): 37774080

約数和(自身を除く): 12952359

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 431, 711, 729, 1293, 2133, 3879, 6399, 11637, 19197, 34049, 34911, 57591, 102147, 104733, 306441, 314199, 919323, 2757969, 8273907, 24821721]

約数ペア:

[(1, 24821721), (3, 8273907), (9, 2757969), (27, 919323), (79, 314199), (81, 306441), (237, 104733), (243, 102147), (431, 57591), (711, 34911), (729, 34049), (1293, 19197), (2133, 11637), (3879, 6399)]