13888413

素因数分解:

$3^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 25584000

約数和(自身を除く): 11695587

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 343, 409, 441, 539, 693, 1029, 1227, 1617, 2863, 3087, 3681, 3773, 4499, 4851, 8589, 11319, 13497, 20041, 25767, 31493, 33957, 40491, 60123, 94479, 140287, 180369, 220451, 283437, 420861, 661353, 1262583, 1543157, 1984059, 4629471, 13888413]

約数ペア:

[(1, 13888413), (3, 4629471), (7, 1984059), (9, 1543157), (11, 1262583), (21, 661353), (33, 420861), (49, 283437), (63, 220451), (77, 180369), (99, 140287), (147, 94479), (231, 60123), (343, 40491), (409, 33957), (441, 31493), (539, 25767), (693, 20041), (1029, 13497), (1227, 11319), (1617, 8589), (2863, 4851), (3087, 4499), (3681, 3773)]