518419197

素因数分解:

$3^4\times {\mathrm{241}}^1\times {\mathrm{26557}}^1$

素因数の和:26810

約数の個数: 20

約数和(自身を含む): 777671356

約数和(自身を除く): 259252159

約数列:

[1, 3, 9, 27, 81, 241, 723, 2169, 6507, 19521, 26557, 79671, 239013, 717039, 2151117, 6400237, 19200711, 57602133, 172806399, 518419197]

約数ペア:

[(1, 518419197), (3, 172806399), (9, 57602133), (27, 19200711), (81, 6400237), (241, 2151117), (723, 717039), (2169, 239013), (6507, 79671), (19521, 26557)]