1970991

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 3184896

約数和(自身を除く): 1213905

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 463, 473, 1389, 1419, 4167, 4257, 5093, 15279, 19909, 45837, 59727, 179181, 218999, 656997, 1970991]

約数ペア:

[(1, 1970991), (3, 656997), (9, 218999), (11, 179181), (33, 59727), (43, 45837), (99, 19909), (129, 15279), (387, 5093), (463, 4257), (473, 4167), (1389, 1419)]