7142247

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1553}}^1$

素因数の和:1639

約数の個数: 24

約数和(自身を含む): 11959584

約数和(自身を除く): 4817337

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 1553, 4599, 4659, 10871, 13977, 32613, 97839, 113369, 340107, 793583, 1020321, 2380749, 7142247]

約数ペア:

[(1, 7142247), (3, 2380749), (7, 1020321), (9, 793583), (21, 340107), (63, 113369), (73, 97839), (219, 32613), (511, 13977), (657, 10871), (1533, 4659), (1553, 4599)]