221001109

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1\times {\mathrm{1483}}^1$

素因数の和:1900

約数の個数: 16

約数和(自身を含む): 257622400

約数和(自身を除く): 36621291

約数列:

[1, 7, 61, 349, 427, 1483, 2443, 10381, 21289, 90463, 149023, 517567, 633241, 3622969, 31571587, 221001109]

約数ペア:

[(1, 221001109), (7, 31571587), (61, 3622969), (349, 633241), (427, 517567), (1483, 149023), (2443, 90463), (10381, 21289)]