3028347

素因数分解:

$3^4\times 7^3\times {\mathrm{109}}^1$

素因数の和:142

約数の個数: 40

約数和(自身を含む): 5324000

約数和(自身を除く): 2295653

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 109, 147, 189, 327, 343, 441, 567, 763, 981, 1029, 1323, 2289, 2943, 3087, 3969, 5341, 6867, 8829, 9261, 16023, 20601, 27783, 37387, 48069, 61803, 112161, 144207, 336483, 432621, 1009449, 3028347]

約数ペア:

[(1, 3028347), (3, 1009449), (7, 432621), (9, 336483), (21, 144207), (27, 112161), (49, 61803), (63, 48069), (81, 37387), (109, 27783), (147, 20601), (189, 16023), (327, 9261), (343, 8829), (441, 6867), (567, 5341), (763, 3969), (981, 3087), (1029, 2943), (1323, 2289)]