321640293

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{523}}^1\times {\mathrm{1213}}^1$

素因数の和:1765

約数の個数: 24

約数和(自身を含む): 465651552

約数和(自身を除く): 144011259

約数列:

[1, 3, 13, 39, 169, 507, 523, 1213, 1569, 3639, 6799, 15769, 20397, 47307, 88387, 204997, 265161, 614991, 634399, 1903197, 8247187, 24741561, 107213431, 321640293]

約数ペア:

[(1, 321640293), (3, 107213431), (13, 24741561), (39, 8247187), (169, 1903197), (507, 634399), (523, 614991), (1213, 265161), (1569, 204997), (3639, 88387), (6799, 47307), (15769, 20397)]