211020633

素因数分解:

$3^4\times {\mathrm{971}}^1\times {\mathrm{2683}}^1$

素因数の和:3666

約数の個数: 20

約数和(自身を含む): 315670608

約数和(自身を除く): 104649975

約数列:

[1, 3, 9, 27, 81, 971, 2683, 2913, 8049, 8739, 24147, 26217, 72441, 78651, 217323, 2605193, 7815579, 23446737, 70340211, 211020633]

約数ペア:

[(1, 211020633), (3, 70340211), (9, 23446737), (27, 7815579), (81, 2605193), (971, 217323), (2683, 78651), (2913, 72441), (8049, 26217), (8739, 24147)]