7420707

素因数分解:

$3^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 48

約数和(自身を含む): 13132800

約数和(自身を除く): 5712093

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 71, 79, 147, 189, 213, 237, 441, 497, 553, 639, 711, 1323, 1491, 1659, 1917, 2133, 3479, 3871, 4473, 4977, 5609, 10437, 11613, 13419, 14931, 16827, 31311, 34839, 39263, 50481, 93933, 104517, 117789, 151443, 274841, 353367, 824523, 1060101, 2473569, 7420707]

約数ペア:

[(1, 7420707), (3, 2473569), (7, 1060101), (9, 824523), (21, 353367), (27, 274841), (49, 151443), (63, 117789), (71, 104517), (79, 93933), (147, 50481), (189, 39263), (213, 34839), (237, 31311), (441, 16827), (497, 14931), (553, 13419), (639, 11613), (711, 10437), (1323, 5609), (1491, 4977), (1659, 4473), (1917, 3871), (2133, 3479)]