202109211

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{42451}}^1$

素因数の和:42503

約数の個数: 18

約数和(自身を含む): 305187428

約数和(自身を除く): 103078217

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 42451, 127353, 382059, 976373, 2929119, 8787357, 22456579, 67369737, 202109211]

約数ペア:

[(1, 202109211), (3, 67369737), (9, 22456579), (23, 8787357), (69, 2929119), (207, 976373), (529, 382059), (1587, 127353), (4761, 42451)]