90891207

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 151683840

約数和(自身を除く): 60792633

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 121, 129, 297, 363, 387, 473, 647, 1089, 1161, 1419, 1941, 3267, 4257, 5203, 5823, 7117, 12771, 15609, 17469, 21351, 27821, 46827, 64053, 78287, 83463, 140481, 192159, 234861, 250389, 306031, 704583, 751167, 918093, 2113749, 2754279, 3366341, 8262837, 10099023, 30297069, 90891207]

約数ペア:

[(1, 90891207), (3, 30297069), (9, 10099023), (11, 8262837), (27, 3366341), (33, 2754279), (43, 2113749), (99, 918093), (121, 751167), (129, 704583), (297, 306031), (363, 250389), (387, 234861), (473, 192159), (647, 140481), (1089, 83463), (1161, 78287), (1419, 64053), (1941, 46827), (3267, 27821), (4257, 21351), (5203, 17469), (5823, 15609), (7117, 12771)]