51944949

素因数分解:

$3^3\times 7^3\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 92160000

約数和(自身を除く): 40215051

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 71, 79, 147, 189, 213, 237, 343, 441, 497, 553, 639, 711, 1029, 1323, 1491, 1659, 1917, 2133, 3087, 3479, 3871, 4473, 4977, 5609, 9261, 10437, 11613, 13419, 14931, 16827, 24353, 27097, 31311, 34839, 39263, 50481, 73059, 81291, 93933, 104517, 117789, 151443, 219177, 243873, 274841, 353367, 657531, 731619, 824523, 1060101, 1923887, 2473569, 5771661, 7420707, 17314983, 51944949]

約数ペア:

[(1, 51944949), (3, 17314983), (7, 7420707), (9, 5771661), (21, 2473569), (27, 1923887), (49, 1060101), (63, 824523), (71, 731619), (79, 657531), (147, 353367), (189, 274841), (213, 243873), (237, 219177), (343, 151443), (441, 117789), (497, 104517), (553, 93933), (639, 81291), (711, 73059), (1029, 50481), (1323, 39263), (1491, 34839), (1659, 31311), (1917, 27097), (2133, 24353), (3087, 16827), (3479, 14931), (3871, 13419), (4473, 11613), (4977, 10437), (5609, 9261)]