1981553187

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1\times {\mathrm{14407}}^1$

素因数の和:14575

約数の個数: 24

約数和(自身を含む): 2810597376

約数和(自身を除く): 829044189

約数列:

[1, 3, 19, 57, 127, 361, 381, 1083, 2413, 7239, 14407, 43221, 45847, 137541, 273733, 821199, 1829689, 5200927, 5489067, 15602781, 34764091, 104292273, 660517729, 1981553187]

約数ペア:

[(1, 1981553187), (3, 660517729), (19, 104292273), (57, 34764091), (127, 15602781), (361, 5489067), (381, 5200927), (1083, 1829689), (2413, 821199), (7239, 273733), (14407, 137541), (43221, 45847)]