2565180009

素因数分解:

$3^4\times 7^1\times {\mathrm{743}}^1\times {\mathrm{6089}}^1$

素因数の和:6851

約数の個数: 40

約数和(自身を含む): 4385969280

約数和(自身を除く): 1820789271

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 743, 2229, 5201, 6089, 6687, 15603, 18267, 20061, 42623, 46809, 54801, 60183, 127869, 140427, 164403, 383607, 421281, 493209, 1150821, 3452463, 4524127, 13572381, 31668889, 40717143, 95006667, 122151429, 285020001, 366454287, 855060003, 2565180009]

約数ペア:

[(1, 2565180009), (3, 855060003), (7, 366454287), (9, 285020001), (21, 122151429), (27, 95006667), (63, 40717143), (81, 31668889), (189, 13572381), (567, 4524127), (743, 3452463), (2229, 1150821), (5201, 493209), (6089, 421281), (6687, 383607), (15603, 164403), (18267, 140427), (20061, 127869), (42623, 60183), (46809, 54801)]