77991879

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{2749}}^1$

素因数の和:2959

約数の個数: 24

約数和(自身を含む): 121638000

約数和(自身を除く): 43646121

約数列:

[1, 3, 7, 21, 49, 147, 193, 579, 1351, 2749, 4053, 8247, 9457, 19243, 28371, 57729, 134701, 404103, 530557, 1591671, 3713899, 11141697, 25997293, 77991879]

約数ペア:

[(1, 77991879), (3, 25997293), (7, 11141697), (21, 3713899), (49, 1591671), (147, 530557), (193, 404103), (579, 134701), (1351, 57729), (2749, 28371), (4053, 19243), (8247, 9457)]