2017684809

素因数分解:

$3^4\times 7^3\times {\mathrm{72623}}^1$

素因数の和:72656

約数の個数: 40

約数和(自身を含む): 3515001600

約数和(自身を除く): 1497316791

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 567, 1029, 1323, 3087, 3969, 9261, 27783, 72623, 217869, 508361, 653607, 1525083, 1960821, 3558527, 4575249, 5882463, 10675581, 13725747, 24909689, 32026743, 41177241, 74729067, 96080229, 224187201, 288240687, 672561603, 2017684809]

約数ペア:

[(1, 2017684809), (3, 672561603), (7, 288240687), (9, 224187201), (21, 96080229), (27, 74729067), (49, 41177241), (63, 32026743), (81, 24909689), (147, 13725747), (189, 10675581), (343, 5882463), (441, 4575249), (567, 3558527), (1029, 1960821), (1323, 1525083), (3087, 653607), (3969, 508361), (9261, 217869), (27783, 72623)]