210964131

素因数分解:

$3^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{7559}}^1$

素因数の和:8015

約数の個数: 24

約数和(自身を含む): 349090560

約数和(自身を除く): 138126429

約数列:

[1, 3, 7, 9, 21, 63, 443, 1329, 3101, 3987, 7559, 9303, 22677, 27909, 52913, 68031, 158739, 476217, 3348637, 10045911, 23440459, 30137733, 70321377, 210964131]

約数ペア:

[(1, 210964131), (3, 70321377), (7, 30137733), (9, 23440459), (21, 10045911), (63, 3348637), (443, 476217), (1329, 158739), (3101, 68031), (3987, 52913), (7559, 27909), (9303, 22677)]