67981179

素因数分解:

$3^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{1487}}^1$

素因数の和:1815

約数の個数: 24

約数和(自身を含む): 105850368

約数和(自身を除く): 37869189

約数列:

[1, 3, 7, 21, 49, 147, 311, 933, 1487, 2177, 4461, 6531, 10409, 15239, 31227, 45717, 72863, 218589, 462457, 1387371, 3237199, 9711597, 22660393, 67981179]

約数ペア:

[(1, 67981179), (3, 22660393), (7, 9711597), (21, 3237199), (49, 1387371), (147, 462457), (311, 218589), (933, 72863), (1487, 45717), (2177, 31227), (4461, 15239), (6531, 10409)]