221569749

素因数分解:

$3^4\times {\mathrm{337}}^1\times {\mathrm{8117}}^1$

素因数の和:8466

約数の個数: 20

約数和(自身を含む): 332009964

約数和(自身を除く): 110440215

約数列:

[1, 3, 9, 27, 81, 337, 1011, 3033, 8117, 9099, 24351, 27297, 73053, 219159, 657477, 2735429, 8206287, 24618861, 73856583, 221569749]

約数ペア:

[(1, 221569749), (3, 73856583), (9, 24618861), (27, 8206287), (81, 2735429), (337, 657477), (1011, 219159), (3033, 73053), (8117, 27297), (9099, 24351)]