1291264149

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{2399}}^1$

素因数の和:2518

約数の個数: 48

約数和(自身を含む): 2106777600

約数和(自身を除く): 815513451

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 361, 399, 497, 1083, 1349, 1491, 2399, 2527, 4047, 7197, 7581, 9443, 16793, 25631, 28329, 45581, 50379, 76893, 136743, 170329, 179417, 319067, 510987, 538251, 866039, 957201, 1192303, 2598117, 3236251, 3576909, 6062273, 9708753, 18186819, 22653757, 61488769, 67961271, 184466307, 430421383, 1291264149]

約数ペア:

[(1, 1291264149), (3, 430421383), (7, 184466307), (19, 67961271), (21, 61488769), (57, 22653757), (71, 18186819), (133, 9708753), (213, 6062273), (361, 3576909), (399, 3236251), (497, 2598117), (1083, 1192303), (1349, 957201), (1491, 866039), (2399, 538251), (2527, 510987), (4047, 319067), (7197, 179417), (7581, 170329), (9443, 136743), (16793, 76893), (25631, 50379), (28329, 45581)]