81873939

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 127733760

約数和(自身を除く): 45859821

約数列:

[1, 3, 7, 21, 83, 107, 249, 321, 439, 581, 749, 1317, 1743, 2247, 3073, 8881, 9219, 26643, 36437, 46973, 62167, 109311, 140919, 186501, 255059, 328811, 765177, 986433, 3898759, 11696277, 27291313, 81873939]

約数ペア:

[(1, 81873939), (3, 27291313), (7, 11696277), (21, 3898759), (83, 986433), (107, 765177), (249, 328811), (321, 255059), (439, 186501), (581, 140919), (749, 109311), (1317, 62167), (1743, 46973), (2247, 36437), (3073, 26643), (8881, 9219)]