731619

素因数分解:

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

素因数の和:109

約数の個数: 32

約数和(自身を含む): 1280000

約数和(自身を除く): 548381

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 79, 147, 189, 237, 343, 441, 553, 711, 1029, 1323, 1659, 2133, 3087, 3871, 4977, 9261, 11613, 14931, 27097, 34839, 81291, 104517, 243873, 731619]

約数ペア:

[(1, 731619), (3, 243873), (7, 104517), (9, 81291), (21, 34839), (27, 27097), (49, 14931), (63, 11613), (79, 9261), (147, 4977), (189, 3871), (237, 3087), (343, 2133), (441, 1659), (553, 1323), (711, 1029)]