71077461

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 125153280

約数和(自身を除く): 54075819

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 71, 91, 133, 193, 213, 247, 273, 399, 497, 579, 741, 923, 1349, 1351, 1491, 1729, 2509, 2769, 3667, 4047, 4053, 5187, 6461, 7527, 9443, 11001, 13703, 17537, 17563, 19383, 25669, 28329, 41109, 47671, 52611, 52689, 77007, 95921, 122759, 143013, 178139, 260357, 287763, 333697, 368277, 534417, 781071, 1001091, 1246973, 1822499, 3384641, 3740919, 5467497, 10153923, 23692487, 71077461]

約数ペア:

[(1, 71077461), (3, 23692487), (7, 10153923), (13, 5467497), (19, 3740919), (21, 3384641), (39, 1822499), (57, 1246973), (71, 1001091), (91, 781071), (133, 534417), (193, 368277), (213, 333697), (247, 287763), (273, 260357), (399, 178139), (497, 143013), (579, 122759), (741, 95921), (923, 77007), (1349, 52689), (1351, 52611), (1491, 47671), (1729, 41109), (2509, 28329), (2769, 25669), (3667, 19383), (4047, 17563), (4053, 17537), (5187, 13703), (6461, 11001), (7527, 9443)]