77875749

素因数分解:

$3^4\times 7^3\times {\mathrm{2803}}^1$

素因数の和:2836

約数の個数: 40

約数和(自身を含む): 135713600

約数和(自身を除く): 57837851

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 567, 1029, 1323, 2803, 3087, 3969, 8409, 9261, 19621, 25227, 27783, 58863, 75681, 137347, 176589, 227043, 412041, 529767, 961429, 1236123, 1589301, 2884287, 3708369, 8652861, 11125107, 25958583, 77875749]

約数ペア:

[(1, 77875749), (3, 25958583), (7, 11125107), (9, 8652861), (21, 3708369), (27, 2884287), (49, 1589301), (63, 1236123), (81, 961429), (147, 529767), (189, 412041), (343, 227043), (441, 176589), (567, 137347), (1029, 75681), (1323, 58863), (2803, 27783), (3087, 25227), (3969, 19621), (8409, 9261)]