201891021

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{6469}}^1$

素因数の和:6676

約数の個数: 16

約数和(自身を含む): 274535040

約数和(自身を除く): 72644019

約数列:

[1, 3, 101, 103, 303, 309, 6469, 10403, 19407, 31209, 653369, 666307, 1960107, 1998921, 67297007, 201891021]

約数ペア:

[(1, 201891021), (3, 67297007), (101, 1998921), (103, 1960107), (303, 666307), (309, 653369), (6469, 31209), (10403, 19407)]