205121781

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{67231}}^1$

素因数の和:67353

約数の個数: 16

約数和(自身を含む): 306577920

約数和(自身を除く): 101456139

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 67231, 201693, 605079, 1815237, 7597103, 22791309, 68373927, 205121781]

約数ペア:

[(1, 205121781), (3, 68373927), (9, 22791309), (27, 7597103), (113, 1815237), (339, 605079), (1017, 201693), (3051, 67231)]