229071717

素因数分解:

$3^2\times 7^2\times {\mathrm{521}}^1\times {\mathrm{997}}^1$

素因数の和:1538

約数の個数: 36

約数和(自身を含む): 386028396

約数和(自身を除く): 156956679

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 521, 997, 1563, 2991, 3647, 4689, 6979, 8973, 10941, 20937, 25529, 32823, 48853, 62811, 76587, 146559, 229761, 439677, 519437, 1558311, 3636059, 4674933, 10908177, 25452413, 32724531, 76357239, 229071717]

約数ペア:

[(1, 229071717), (3, 76357239), (7, 32724531), (9, 25452413), (21, 10908177), (49, 4674933), (63, 3636059), (147, 1558311), (441, 519437), (521, 439677), (997, 229761), (1563, 146559), (2991, 76587), (3647, 62811), (4689, 48853), (6979, 32823), (8973, 25529), (10941, 20937)]