68659521

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{172079}}^1$

素因数の和:172108

約数の個数: 16

約数和(自身を含む): 110131200

約数和(自身を除く): 41471679

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 172079, 516237, 1204553, 3269501, 3613659, 9808503, 22886507, 68659521]

約数ペア:

[(1, 68659521), (3, 22886507), (7, 9808503), (19, 3613659), (21, 3269501), (57, 1204553), (133, 516237), (399, 172079)]