1680491997

素因数分解:

$3^2\times {\mathrm{229}}^1\times {\mathrm{569}}^1\times {\mathrm{1433}}^1$

素因数の和:2237

約数の個数: 24

約数和(自身を含む): 2443966200

約数和(自身を除く): 763474203

約数列:

[1, 3, 9, 229, 569, 687, 1433, 1707, 2061, 4299, 5121, 12897, 130301, 328157, 390903, 815377, 984471, 1172709, 2446131, 2953413, 7338393, 186721333, 560163999, 1680491997]

約数ペア:

[(1, 1680491997), (3, 560163999), (9, 186721333), (229, 7338393), (569, 2953413), (687, 2446131), (1433, 1172709), (1707, 984471), (2061, 815377), (4299, 390903), (5121, 328157), (12897, 130301)]