51791157

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1571}}^1$

素因数の和:1631

約数の個数: 40

約数和(自身を含む): 86736672

約数和(自身を除く): 34945515

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 297, 333, 407, 891, 999, 1221, 1571, 2997, 3663, 4713, 10989, 14139, 17281, 32967, 42417, 51843, 58127, 127251, 155529, 174381, 466587, 523143, 639397, 1399761, 1569429, 1918191, 4708287, 5754573, 17263719, 51791157]

約数ペア:

[(1, 51791157), (3, 17263719), (9, 5754573), (11, 4708287), (27, 1918191), (33, 1569429), (37, 1399761), (81, 639397), (99, 523143), (111, 466587), (297, 174381), (333, 155529), (407, 127251), (891, 58127), (999, 51843), (1221, 42417), (1571, 32967), (2997, 17281), (3663, 14139), (4713, 10989)]