131582241

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 230031360

約数和(自身を除く): 98449119

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 71, 161, 207, 213, 483, 497, 639, 1279, 1449, 1491, 1633, 3837, 4473, 4899, 8953, 11431, 11511, 14697, 26859, 29417, 34293, 80577, 88251, 90809, 102879, 205919, 264753, 272427, 617757, 635663, 817281, 1853271, 1906989, 2088607, 5720967, 6265821, 14620249, 18797463, 43860747, 131582241]

約数ペア:

[(1, 131582241), (3, 43860747), (7, 18797463), (9, 14620249), (21, 6265821), (23, 5720967), (63, 2088607), (69, 1906989), (71, 1853271), (161, 817281), (207, 635663), (213, 617757), (483, 272427), (497, 264753), (639, 205919), (1279, 102879), (1449, 90809), (1491, 88251), (1633, 80577), (3837, 34293), (4473, 29417), (4899, 26859), (8953, 14697), (11431, 11511)]