1991367

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 3340064

約数和(自身を除く): 1348697

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 433, 511, 657, 1299, 1533, 3031, 3897, 4599, 9093, 27279, 31609, 94827, 221263, 284481, 663789, 1991367]

約数ペア:

[(1, 1991367), (3, 663789), (7, 284481), (9, 221263), (21, 94827), (63, 31609), (73, 27279), (219, 9093), (433, 4599), (511, 3897), (657, 3031), (1299, 1533)]