2194857

素因数分解:

$3^4\times 7^3\times {\mathrm{79}}^1$

素因数の和:112

約数の個数: 40

約数和(自身を含む): 3872000

約数和(自身を除く): 1677143

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 79, 81, 147, 189, 237, 343, 441, 553, 567, 711, 1029, 1323, 1659, 2133, 3087, 3871, 3969, 4977, 6399, 9261, 11613, 14931, 27097, 27783, 34839, 44793, 81291, 104517, 243873, 313551, 731619, 2194857]

約数ペア:

[(1, 2194857), (3, 731619), (7, 313551), (9, 243873), (21, 104517), (27, 81291), (49, 44793), (63, 34839), (79, 27783), (81, 27097), (147, 14931), (189, 11613), (237, 9261), (343, 6399), (441, 4977), (553, 3969), (567, 3871), (711, 3087), (1029, 2133), (1323, 1659)]