1999210815

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{751}}^1$

素因数の和:1091

約数の個数: 96

約数和(自身を含む): 4125628416

約数和(自身を除く): 2126417601

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 313, 315, 405, 567, 751, 939, 945, 1215, 1565, 1701, 2191, 2253, 2817, 2835, 3755, 4695, 5257, 6573, 6759, 8451, 8505, 10955, 11265, 14085, 15771, 19719, 20277, 25353, 26285, 32865, 33795, 42255, 47313, 59157, 60831, 76059, 78855, 98595, 101385, 126765, 141939, 177471, 182493, 235063, 236565, 295785, 304155, 380295, 425817, 532413, 705189, 709695, 887355, 912465, 1175315, 1277451, 1645441, 2115567, 2129085, 2662065, 3525945, 4936323, 6346701, 6387255, 8227205, 10577835, 14808969, 19040103, 24681615, 31733505, 44426907, 57120309, 74044845, 95200515, 133280721, 222134535, 285601545, 399842163, 666403605, 1999210815]

約数ペア:

[(1, 1999210815), (3, 666403605), (5, 399842163), (7, 285601545), (9, 222134535), (15, 133280721), (21, 95200515), (27, 74044845), (35, 57120309), (45, 44426907), (63, 31733505), (81, 24681615), (105, 19040103), (135, 14808969), (189, 10577835), (243, 8227205), (313, 6387255), (315, 6346701), (405, 4936323), (567, 3525945), (751, 2662065), (939, 2129085), (945, 2115567), (1215, 1645441), (1565, 1277451), (1701, 1175315), (2191, 912465), (2253, 887355), (2817, 709695), (2835, 705189), (3755, 532413), (4695, 425817), (5257, 380295), (6573, 304155), (6759, 295785), (8451, 236565), (8505, 235063), (10955, 182493), (11265, 177471), (14085, 141939), (15771, 126765), (19719, 101385), (20277, 98595), (25353, 78855), (26285, 76059), (32865, 60831), (33795, 59157), (42255, 47313)]