128385279

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{5381}}^1$

素因数の和:5639

約数の個数: 24

約数和(自身を含む): 203181264

約数和(自身を除く): 74795985

約数列:

[1, 3, 9, 11, 33, 99, 241, 723, 2169, 2651, 5381, 7953, 16143, 23859, 48429, 59191, 177573, 532719, 1296821, 3890463, 11671389, 14265031, 42795093, 128385279]

約数ペア:

[(1, 128385279), (3, 42795093), (9, 14265031), (11, 11671389), (33, 3890463), (99, 1296821), (241, 532719), (723, 177573), (2169, 59191), (2651, 48429), (5381, 23859), (7953, 16143)]