201579777

素因数分解:

$3^2\times 7^2\times {\mathrm{457097}}^1$

素因数の和:457117

約数の個数: 18

約数和(自身を含む): 338709618

約数和(自身を除く): 137129841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 457097, 1371291, 3199679, 4113873, 9599037, 22397753, 28797111, 67193259, 201579777]

約数ペア:

[(1, 201579777), (3, 67193259), (7, 28797111), (9, 22397753), (21, 9599037), (49, 4113873), (63, 3199679), (147, 1371291), (441, 457097)]