2687496777

素因数分解:

$3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{68473}}^1$

素因数の和:68582

約数の個数: 36

約数和(自身を含む): 4566531060

約数和(自身を除く): 1879034283

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 147, 267, 441, 623, 801, 1869, 4361, 5607, 13083, 39249, 68473, 205419, 479311, 616257, 1437933, 3355177, 4313799, 6094097, 10065531, 18282291, 30196593, 42658679, 54846873, 127976037, 298610753, 383928111, 895832259, 2687496777]

約数ペア:

[(1, 2687496777), (3, 895832259), (7, 383928111), (9, 298610753), (21, 127976037), (49, 54846873), (63, 42658679), (89, 30196593), (147, 18282291), (267, 10065531), (441, 6094097), (623, 4313799), (801, 3355177), (1869, 1437933), (4361, 616257), (5607, 479311), (13083, 205419), (39249, 68473)]