2009823165

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1223}}^1$

素因数の和:1328

約数の個数: 128

約数和(自身を含む): 4286545920

約数和(自身を除く): 2276722755

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 37, 45, 47, 63, 105, 111, 135, 141, 185, 189, 235, 259, 315, 329, 333, 423, 555, 705, 777, 945, 987, 999, 1223, 1269, 1295, 1645, 1665, 1739, 2115, 2331, 2961, 3669, 3885, 4935, 4995, 5217, 6115, 6345, 6993, 8561, 8695, 8883, 11007, 11655, 12173, 14805, 15651, 18345, 25683, 26085, 33021, 34965, 36519, 42805, 44415, 45251, 46953, 55035, 57481, 60865, 77049, 78255, 109557, 128415, 135753, 165105, 172443, 182595, 226255, 231147, 234765, 287405, 316757, 328671, 385245, 402367, 407259, 517329, 547785, 678765, 862215, 950271, 1155735, 1207101, 1221777, 1551987, 1583785, 1643355, 2011835, 2036295, 2126797, 2586645, 2850813, 3621303, 4751355, 6035505, 6108885, 6380391, 7759935, 8552439, 10633985, 10863909, 14254065, 14887579, 18106515, 19141173, 31901955, 42762195, 44662737, 54319545, 57423519, 74437895, 95705865, 133988211, 223313685, 287117595, 401964633, 669941055, 2009823165]

約数ペア:

[(1, 2009823165), (3, 669941055), (5, 401964633), (7, 287117595), (9, 223313685), (15, 133988211), (21, 95705865), (27, 74437895), (35, 57423519), (37, 54319545), (45, 44662737), (47, 42762195), (63, 31901955), (105, 19141173), (111, 18106515), (135, 14887579), (141, 14254065), (185, 10863909), (189, 10633985), (235, 8552439), (259, 7759935), (315, 6380391), (329, 6108885), (333, 6035505), (423, 4751355), (555, 3621303), (705, 2850813), (777, 2586645), (945, 2126797), (987, 2036295), (999, 2011835), (1223, 1643355), (1269, 1583785), (1295, 1551987), (1645, 1221777), (1665, 1207101), (1739, 1155735), (2115, 950271), (2331, 862215), (2961, 678765), (3669, 547785), (3885, 517329), (4935, 407259), (4995, 402367), (5217, 385245), (6115, 328671), (6345, 316757), (6993, 287405), (8561, 234765), (8695, 231147), (8883, 226255), (11007, 182595), (11655, 172443), (12173, 165105), (14805, 135753), (15651, 128415), (18345, 109557), (25683, 78255), (26085, 77049), (33021, 60865), (34965, 57481), (36519, 55035), (42805, 46953), (44415, 45251)]