68707971

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{907}}^1$

素因数の和:1375

約数の個数: 24

約数和(自身を含む): 104819520

約数和(自身を除く): 36111549

約数列:

[1, 3, 9, 19, 57, 171, 443, 907, 1329, 2721, 3987, 8163, 8417, 17233, 25251, 51699, 75753, 155097, 401801, 1205403, 3616209, 7634219, 22902657, 68707971]

約数ペア:

[(1, 68707971), (3, 22902657), (9, 7634219), (19, 3616209), (57, 1205403), (171, 401801), (443, 155097), (907, 75753), (1329, 51699), (2721, 25251), (3987, 17233), (8163, 8417)]