748909881

素因数分解:

$3^4\times {\mathrm{197}}^1\times {\mathrm{46933}}^1$

素因数の和:47142

約数の個数: 20

約数和(自身を含む): 1124444772

約数和(自身を除く): 375534891

約数列:

[1, 3, 9, 27, 81, 197, 591, 1773, 5319, 15957, 46933, 140799, 422397, 1267191, 3801573, 9245801, 27737403, 83212209, 249636627, 748909881]

約数ペア:

[(1, 748909881), (3, 249636627), (9, 83212209), (27, 27737403), (81, 9245801), (197, 3801573), (591, 1267191), (1773, 422397), (5319, 140799), (15957, 46933)]