215761239

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:641

約数の個数: 40

約数和(自身を含む): 331752960

約数和(自身を除く): 115991721

約数列:

[1, 3, 9, 27, 67, 81, 83, 201, 249, 479, 603, 747, 1437, 1809, 2241, 4311, 5427, 5561, 6723, 12933, 16683, 32093, 38799, 39757, 50049, 96279, 119271, 150147, 288837, 357813, 450441, 866511, 1073439, 2599533, 2663719, 3220317, 7991157, 23973471, 71920413, 215761239]

約数ペア:

[(1, 215761239), (3, 71920413), (9, 23973471), (27, 7991157), (67, 3220317), (81, 2663719), (83, 2599533), (201, 1073439), (249, 866511), (479, 450441), (603, 357813), (747, 288837), (1437, 150147), (1809, 119271), (2241, 96279), (4311, 50049), (5427, 39757), (5561, 38799), (6723, 32093), (12933, 16683)]