207665619

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{1523}}^1$

素因数の和:1727

約数の個数: 32

約数和(自身を含む): 326160384

約数和(自身を除く): 118494765

約数列:

[1, 3, 7, 21, 43, 129, 151, 301, 453, 903, 1057, 1523, 3171, 4569, 6493, 10661, 19479, 31983, 45451, 65489, 136353, 196467, 229973, 458423, 689919, 1375269, 1609811, 4829433, 9888839, 29666517, 69221873, 207665619]

約数ペア:

[(1, 207665619), (3, 69221873), (7, 29666517), (21, 9888839), (43, 4829433), (129, 1609811), (151, 1375269), (301, 689919), (453, 458423), (903, 229973), (1057, 196467), (1523, 136353), (3171, 65489), (4569, 45451), (6493, 31983), (10661, 19479)]