2018264985

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{31607}}^1$

素因数の和:31675

約数の個数: 64

約数和(自身を含む): 4005365760

約数和(自身を除く): 1987100775

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 43, 45, 55, 99, 129, 135, 165, 215, 297, 387, 473, 495, 645, 1161, 1419, 1485, 1935, 2365, 4257, 5805, 7095, 12771, 21285, 31607, 63855, 94821, 158035, 284463, 347677, 474105, 853389, 1043031, 1359101, 1422315, 1738385, 3129093, 4077303, 4266945, 5215155, 6795505, 9387279, 12231909, 14950111, 15645465, 20386515, 36695727, 44850333, 46936395, 61159545, 74750555, 134550999, 183478635, 224251665, 403652997, 672754995, 2018264985]

約数ペア:

[(1, 2018264985), (3, 672754995), (5, 403652997), (9, 224251665), (11, 183478635), (15, 134550999), (27, 74750555), (33, 61159545), (43, 46936395), (45, 44850333), (55, 36695727), (99, 20386515), (129, 15645465), (135, 14950111), (165, 12231909), (215, 9387279), (297, 6795505), (387, 5215155), (473, 4266945), (495, 4077303), (645, 3129093), (1161, 1738385), (1419, 1422315), (1485, 1359101), (1935, 1043031), (2365, 853389), (4257, 474105), (5805, 347677), (7095, 284463), (12771, 158035), (21285, 94821), (31607, 63855)]