12201921

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{1553}}^1$

素因数の和:1662

約数の個数: 20

約数和(自身を含む): 18427332

約数和(自身を除く): 6225411

約数列:

[1, 3, 9, 27, 81, 97, 291, 873, 1553, 2619, 4659, 7857, 13977, 41931, 125793, 150641, 451923, 1355769, 4067307, 12201921]

約数ペア:

[(1, 12201921), (3, 4067307), (9, 1355769), (27, 451923), (81, 150641), (97, 125793), (291, 41931), (873, 13977), (1553, 7857), (2619, 4659)]