210204801

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{36551}}^1$

素因数の和:36634

約数の個数: 20

約数和(自身を含む): 318441024

約数和(自身を除く): 108236223

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 36551, 109653, 328959, 986877, 2595121, 2960631, 7785363, 23356089, 70068267, 210204801]

約数ペア:

[(1, 210204801), (3, 70068267), (9, 23356089), (27, 7785363), (71, 2960631), (81, 2595121), (213, 986877), (639, 328959), (1917, 109653), (5751, 36551)]