389968263

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{65951}}^1$

素因数の和:66036

約数の個数: 20

約数和(自身を含む): 590534208

約数和(自身を除く): 200565945

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 65951, 197853, 593559, 1780677, 4814423, 5342031, 14443269, 43329807, 129989421, 389968263]

約数ペア:

[(1, 389968263), (3, 129989421), (9, 43329807), (27, 14443269), (73, 5342031), (81, 4814423), (219, 1780677), (657, 593559), (1971, 197853), (5913, 65951)]