80854557

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{28949}}^1$

素因数の和:28985

約数の個数: 24

約数和(自身を含む): 132012000

約数和(自身を除く): 51157443

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 28949, 86847, 202643, 550031, 607929, 1418501, 1650093, 3850217, 4255503, 11550651, 26951519, 80854557]

約数ペア:

[(1, 80854557), (3, 26951519), (7, 11550651), (19, 4255503), (21, 3850217), (49, 1650093), (57, 1418501), (133, 607929), (147, 550031), (399, 202643), (931, 86847), (2793, 28949)]