131338641

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3931}}^1$

素因数の和:4021

約数の個数: 32

約数和(自身を含む): 210377728

約数和(自身を除く): 79039087

約数列:

[1, 3, 7, 21, 37, 43, 111, 129, 259, 301, 777, 903, 1591, 3931, 4773, 11137, 11793, 27517, 33411, 82551, 145447, 169033, 436341, 507099, 1018129, 1183231, 3054387, 3549693, 6254221, 18762663, 43779547, 131338641]

約数ペア:

[(1, 131338641), (3, 43779547), (7, 18762663), (21, 6254221), (37, 3549693), (43, 3054387), (111, 1183231), (129, 1018129), (259, 507099), (301, 436341), (777, 169033), (903, 145447), (1591, 82551), (3931, 33411), (4773, 27517), (11137, 11793)]