221438943

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{941}}^1\times {\mathrm{2377}}^1$

素因数の和:3335

約数の個数: 24

約数和(自身を含む): 349451856

約数和(自身を除く): 128012913

約数列:

[1, 3, 9, 11, 33, 99, 941, 2377, 2823, 7131, 8469, 10351, 21393, 26147, 31053, 78441, 93159, 235323, 2236757, 6710271, 20130813, 24604327, 73812981, 221438943]

約数ペア:

[(1, 221438943), (3, 73812981), (9, 24604327), (11, 20130813), (33, 6710271), (99, 2236757), (941, 235323), (2377, 93159), (2823, 78441), (7131, 31053), (8469, 26147), (10351, 21393)]