2641653

素因数分解:

$3^5\times 7^1\times {\mathrm{1553}}^1$

素因数の和:1575

約数の個数: 24

約数和(自身を含む): 4525248

約数和(自身を除く): 1883595

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1553, 1701, 4659, 10871, 13977, 32613, 41931, 97839, 125793, 293517, 377379, 880551, 2641653]

約数ペア:

[(1, 2641653), (3, 880551), (7, 377379), (9, 293517), (21, 125793), (27, 97839), (63, 41931), (81, 32613), (189, 13977), (243, 10871), (567, 4659), (1553, 1701)]