205388541

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{14657}}^1$

素因数の和:14842

約数の個数: 20

約数和(自身を含む): 308609532

約数和(自身を除く): 103220991

約数列:

[1, 3, 9, 27, 81, 173, 519, 1557, 4671, 14013, 14657, 43971, 131913, 395739, 1187217, 2535661, 7606983, 22820949, 68462847, 205388541]

約数ペア:

[(1, 205388541), (3, 68462847), (9, 22820949), (27, 7606983), (81, 2535661), (173, 1187217), (519, 395739), (1557, 131913), (4671, 43971), (14013, 14657)]