2021815125

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1052

約数の個数: 96

約数和(自身を含む): 4000838400

約数和(自身を除く): 1979023275

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 125, 165, 199, 225, 275, 375, 495, 597, 821, 825, 995, 1125, 1375, 1791, 2189, 2463, 2475, 2985, 4105, 4125, 4975, 6567, 7389, 8955, 9031, 10945, 12315, 12375, 14925, 19701, 20525, 24875, 27093, 32835, 36945, 44775, 45155, 54725, 61575, 74625, 81279, 98505, 102625, 135465, 163379, 164175, 184725, 223875, 225775, 273625, 307875, 406395, 490137, 492525, 677325, 816895, 820875, 923625, 1128875, 1470411, 1797169, 2031975, 2450685, 2462625, 3386625, 4084475, 5391507, 7352055, 8985845, 10159875, 12253425, 16174521, 20422375, 26957535, 36760275, 44929225, 61267125, 80872605, 134787675, 183801375, 224646125, 404363025, 673938375, 2021815125]

約数ペア:

[(1, 2021815125), (3, 673938375), (5, 404363025), (9, 224646125), (11, 183801375), (15, 134787675), (25, 80872605), (33, 61267125), (45, 44929225), (55, 36760275), (75, 26957535), (99, 20422375), (125, 16174521), (165, 12253425), (199, 10159875), (225, 8985845), (275, 7352055), (375, 5391507), (495, 4084475), (597, 3386625), (821, 2462625), (825, 2450685), (995, 2031975), (1125, 1797169), (1375, 1470411), (1791, 1128875), (2189, 923625), (2463, 820875), (2475, 816895), (2985, 677325), (4105, 492525), (4125, 490137), (4975, 406395), (6567, 307875), (7389, 273625), (8955, 225775), (9031, 223875), (10945, 184725), (12315, 164175), (12375, 163379), (14925, 135465), (19701, 102625), (20525, 98505), (24875, 81279), (27093, 74625), (32835, 61575), (36945, 54725), (44775, 45155)]