81407286

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2311}}^1$

素因数の和:2441

約数の個数: 48

約数和(自身を含む): 187549440

約数和(自身を除く): 106142154

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 103, 114, 171, 206, 309, 342, 618, 927, 1854, 1957, 2311, 3914, 4622, 5871, 6933, 11742, 13866, 17613, 20799, 35226, 41598, 43909, 87818, 131727, 238033, 263454, 395181, 476066, 714099, 790362, 1428198, 2142297, 4284594, 4522627, 9045254, 13567881, 27135762, 40703643, 81407286]

約数ペア:

[(1, 81407286), (2, 40703643), (3, 27135762), (6, 13567881), (9, 9045254), (18, 4522627), (19, 4284594), (38, 2142297), (57, 1428198), (103, 790362), (114, 714099), (171, 476066), (206, 395181), (309, 263454), (342, 238033), (618, 131727), (927, 87818), (1854, 43909), (1957, 41598), (2311, 35226), (3914, 20799), (4622, 17613), (5871, 13866), (6933, 11742)]