81385974

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{929}}^1$

素因数の和:1125

約数の個数: 48

約数和(自身を含む): 183381120

約数和(自身を除く): 101995146

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 157, 186, 279, 314, 471, 558, 929, 942, 1413, 1858, 2787, 2826, 4867, 5574, 8361, 9734, 14601, 16722, 28799, 29202, 43803, 57598, 86397, 87606, 145853, 172794, 259191, 291706, 437559, 518382, 875118, 1312677, 2625354, 4521443, 9042886, 13564329, 27128658, 40692987, 81385974]

約数ペア:

[(1, 81385974), (2, 40692987), (3, 27128658), (6, 13564329), (9, 9042886), (18, 4521443), (31, 2625354), (62, 1312677), (93, 875118), (157, 518382), (186, 437559), (279, 291706), (314, 259191), (471, 172794), (558, 145853), (929, 87606), (942, 86397), (1413, 57598), (1858, 43803), (2787, 29202), (2826, 28799), (4867, 16722), (5574, 14601), (8361, 9734)]