561567993

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1\times {\mathrm{509}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 867179520

約数和(自身を除く): 305611527

約数列:

[1, 3, 7, 21, 107, 321, 491, 509, 749, 1473, 1527, 2247, 3437, 3563, 10311, 10689, 52537, 54463, 157611, 163389, 249919, 367759, 381241, 749757, 1103277, 1143723, 1749433, 5248299, 26741333, 80223999, 187189331, 561567993]

約数ペア:

[(1, 561567993), (3, 187189331), (7, 80223999), (21, 26741333), (107, 5248299), (321, 1749433), (491, 1143723), (509, 1103277), (749, 749757), (1473, 381241), (1527, 367759), (2247, 249919), (3437, 163389), (3563, 157611), (10311, 54463), (10689, 52537)]