6481377

素因数分解:

$3^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 60

約数和(自身を含む): 11918016

約数和(自身を除く): 5436639

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 71, 81, 147, 161, 189, 207, 213, 441, 483, 497, 567, 621, 639, 1127, 1323, 1449, 1491, 1633, 1863, 1917, 3381, 3479, 3969, 4347, 4473, 4899, 5751, 10143, 10437, 11431, 13041, 13419, 14697, 30429, 31311, 34293, 40257, 44091, 80017, 91287, 93933, 102879, 132273, 240051, 281799, 308637, 720153, 925911, 2160459, 6481377]

約数ペア:

[(1, 6481377), (3, 2160459), (7, 925911), (9, 720153), (21, 308637), (23, 281799), (27, 240051), (49, 132273), (63, 102879), (69, 93933), (71, 91287), (81, 80017), (147, 44091), (161, 40257), (189, 34293), (207, 31311), (213, 30429), (441, 14697), (483, 13419), (497, 13041), (567, 11431), (621, 10437), (639, 10143), (1127, 5751), (1323, 4899), (1449, 4473), (1491, 4347), (1633, 3969), (1863, 3479), (1917, 3381)]