1297863

素因数分解:

$3^5\times 7^2\times {\mathrm{109}}^1$

素因数の和:138

約数の個数: 36

約数和(自身を含む): 2282280

約数和(自身を除く): 984417

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 109, 147, 189, 243, 327, 441, 567, 763, 981, 1323, 1701, 2289, 2943, 3969, 5341, 6867, 8829, 11907, 16023, 20601, 26487, 48069, 61803, 144207, 185409, 432621, 1297863]

約数ペア:

[(1, 1297863), (3, 432621), (7, 185409), (9, 144207), (21, 61803), (27, 48069), (49, 26487), (63, 20601), (81, 16023), (109, 11907), (147, 8829), (189, 6867), (243, 5341), (327, 3969), (441, 2943), (567, 2289), (763, 1701), (981, 1323)]