2686217457

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{907}}^1\times {\mathrm{12821}}^1$

素因数の和:13749

約数の個数: 32

約数和(自身を含む): 4470672384

約数和(自身を除く): 1784454927

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 907, 2721, 6349, 9977, 12821, 19047, 29931, 38463, 69839, 89747, 141031, 209517, 269241, 423093, 987217, 2961651, 11628647, 34885941, 81400529, 127915117, 244201587, 383745351, 895405819, 2686217457]

約数ペア:

[(1, 2686217457), (3, 895405819), (7, 383745351), (11, 244201587), (21, 127915117), (33, 81400529), (77, 34885941), (231, 11628647), (907, 2961651), (2721, 987217), (6349, 423093), (9977, 269241), (12821, 209517), (19047, 141031), (29931, 89747), (38463, 69839)]