201677679

素因数分解:

$3^2\times 7^2\times {\mathrm{457319}}^1$

素因数の和:457339

約数の個数: 18

約数和(自身を含む): 338874120

約数和(自身を除く): 137196441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 457319, 1371957, 3201233, 4115871, 9603699, 22408631, 28811097, 67225893, 201677679]

約数ペア:

[(1, 201677679), (3, 67225893), (7, 28811097), (9, 22408631), (21, 9603699), (49, 4115871), (63, 3201233), (147, 1371957), (441, 457319)]