27763281

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 49969920

約数和(自身を除く): 22206639

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 109, 117, 273, 311, 327, 763, 819, 933, 981, 1417, 2177, 2289, 2799, 4043, 4251, 6531, 6867, 9919, 12129, 12753, 19593, 28301, 29757, 33899, 36387, 84903, 89271, 101697, 237293, 254709, 305091, 440687, 711879, 1322061, 2135637, 3084809, 3966183, 9254427, 27763281]

約数ペア:

[(1, 27763281), (3, 9254427), (7, 3966183), (9, 3084809), (13, 2135637), (21, 1322061), (39, 711879), (63, 440687), (91, 305091), (109, 254709), (117, 237293), (273, 101697), (311, 89271), (327, 84903), (763, 36387), (819, 33899), (933, 29757), (981, 28301), (1417, 19593), (2177, 12753), (2289, 12129), (2799, 9919), (4043, 6867), (4251, 6531)]