1880991

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 3155360

約数和(自身を除く): 1274369

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 409, 511, 657, 1227, 1533, 2863, 3681, 4599, 8589, 25767, 29857, 89571, 208999, 268713, 626997, 1880991]

約数ペア:

[(1, 1880991), (3, 626997), (7, 268713), (9, 208999), (21, 89571), (63, 29857), (73, 25767), (219, 8589), (409, 4599), (511, 3681), (657, 2863), (1227, 1533)]