26487981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 43563520

約数和(自身を除く): 17075539

約数列:

[1, 3, 9, 13, 31, 39, 67, 93, 109, 117, 201, 279, 327, 403, 603, 871, 981, 1209, 1417, 2077, 2613, 3379, 3627, 4251, 6231, 7303, 7839, 10137, 12753, 18693, 21909, 27001, 30411, 43927, 65727, 81003, 94939, 131781, 226393, 243009, 284817, 395343, 679179, 854451, 2037537, 2943109, 8829327, 26487981]

約数ペア:

[(1, 26487981), (3, 8829327), (9, 2943109), (13, 2037537), (31, 854451), (39, 679179), (67, 395343), (93, 284817), (109, 243009), (117, 226393), (201, 131781), (279, 94939), (327, 81003), (403, 65727), (603, 43927), (871, 30411), (981, 27001), (1209, 21909), (1417, 18693), (2077, 12753), (2613, 10137), (3379, 7839), (3627, 7303), (4251, 6231)]