2001028149

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{811}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 3121198080

約数和(自身を除く): 1120169931

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 307, 423, 811, 893, 921, 2433, 2679, 2763, 5833, 7299, 8037, 14429, 15409, 17499, 38117, 43287, 46227, 52497, 114351, 129861, 138681, 248977, 274151, 343053, 724223, 746931, 822453, 2172669, 2240793, 2467359, 4730563, 6518007, 11701919, 14191689, 35105757, 42575067, 105317271, 222336461, 667009383, 2001028149]

約数ペア:

[(1, 2001028149), (3, 667009383), (9, 222336461), (19, 105317271), (47, 42575067), (57, 35105757), (141, 14191689), (171, 11701919), (307, 6518007), (423, 4730563), (811, 2467359), (893, 2240793), (921, 2172669), (2433, 822453), (2679, 746931), (2763, 724223), (5833, 343053), (7299, 274151), (8037, 248977), (14429, 138681), (15409, 129861), (17499, 114351), (38117, 52497), (43287, 46227)]