80402661

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1951}}^1$

素因数の和:2217

約数の個数: 24

約数和(自身を含む): 122819840

約数和(自身を除く): 42417179

約数列:

[1, 3, 9, 19, 57, 171, 241, 723, 1951, 2169, 4579, 5853, 13737, 17559, 37069, 41211, 111207, 333621, 470191, 1410573, 4231719, 8933629, 26800887, 80402661]

約数ペア:

[(1, 80402661), (3, 26800887), (9, 8933629), (19, 4231719), (57, 1410573), (171, 470191), (241, 333621), (723, 111207), (1951, 41211), (2169, 37069), (4579, 17559), (5853, 13737)]