68876721

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{521}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 102631464

約数和(自身を除く): 33754743

約数列:

[1, 3, 9, 37, 111, 333, 397, 521, 1191, 1563, 3573, 4689, 14689, 19277, 44067, 57831, 132201, 173493, 206837, 620511, 1861533, 7652969, 22958907, 68876721]

約数ペア:

[(1, 68876721), (3, 22958907), (9, 7652969), (37, 1861533), (111, 620511), (333, 206837), (397, 173493), (521, 132201), (1191, 57831), (1563, 44067), (3573, 19277), (4689, 14689)]