2160459

素因数分解:

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

素因数の和:117

約数の個数: 48

約数和(自身を含む): 3939840

約数和(自身を除く): 1779381

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 71, 147, 161, 189, 207, 213, 441, 483, 497, 621, 639, 1127, 1323, 1449, 1491, 1633, 1917, 3381, 3479, 4347, 4473, 4899, 10143, 10437, 11431, 13419, 14697, 30429, 31311, 34293, 44091, 80017, 93933, 102879, 240051, 308637, 720153, 2160459]

約数ペア:

[(1, 2160459), (3, 720153), (7, 308637), (9, 240051), (21, 102879), (23, 93933), (27, 80017), (49, 44091), (63, 34293), (69, 31311), (71, 30429), (147, 14697), (161, 13419), (189, 11431), (207, 10437), (213, 10143), (441, 4899), (483, 4473), (497, 4347), (621, 3479), (639, 3381), (1127, 1917), (1323, 1633), (1449, 1491)]