51749199

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:637

約数の個数: 40

約数和(自身を含む): 82101888

約数和(自身を除く): 30352689

約数列:

[1, 3, 9, 27, 31, 37, 81, 93, 111, 279, 333, 557, 837, 999, 1147, 1671, 2511, 2997, 3441, 5013, 10323, 15039, 17267, 20609, 30969, 45117, 51801, 61827, 92907, 155403, 185481, 466209, 556443, 638879, 1398627, 1669329, 1916637, 5749911, 17249733, 51749199]

約数ペア:

[(1, 51749199), (3, 17249733), (9, 5749911), (27, 1916637), (31, 1669329), (37, 1398627), (81, 638879), (93, 556443), (111, 466209), (279, 185481), (333, 155403), (557, 92907), (837, 61827), (999, 51801), (1147, 45117), (1671, 30969), (2511, 20609), (2997, 17267), (3441, 15039), (5013, 10323)]