68213781

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{9277}}^1$

素因数の和:9345

約数の個数: 24

約数和(自身を含む): 106140320

約数和(自身を除く): 37926539

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 9277, 27831, 83493, 176263, 398911, 528789, 1196733, 1586367, 3590199, 7579309, 22737927, 68213781]

約数ペア:

[(1, 68213781), (3, 22737927), (9, 7579309), (19, 3590199), (43, 1586367), (57, 1196733), (129, 528789), (171, 398911), (387, 176263), (817, 83493), (2451, 27831), (7353, 9277)]