205256619

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1181}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 313750080

約数和(自身を除く): 108493461

約数列:

[1, 3, 9, 27, 41, 123, 157, 369, 471, 1107, 1181, 1413, 3543, 4239, 6437, 10629, 19311, 31887, 48421, 57933, 145263, 173799, 185417, 435789, 556251, 1307367, 1668753, 5006259, 7602097, 22806291, 68418873, 205256619]

約数ペア:

[(1, 205256619), (3, 68418873), (9, 22806291), (27, 7602097), (41, 5006259), (123, 1668753), (157, 1307367), (369, 556251), (471, 435789), (1107, 185417), (1181, 173799), (1413, 145263), (3543, 57933), (4239, 48421), (6437, 31887), (10629, 19311)]