19998536439

素因数分解:

$3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1549}}^1\times {\mathrm{2551}}^1$

素因数の和:4351

約数の個数: 32

約数和(自身を含む): 30632166400

約数和(自身を除く): 10633629961

約数列:

[1, 3, 7, 21, 241, 723, 1549, 1687, 2551, 4647, 5061, 7653, 10843, 17857, 32529, 53571, 373309, 614791, 1119927, 1844373, 2613163, 3951499, 4303537, 7839489, 11854497, 12910611, 27660493, 82981479, 952311259, 2856933777, 6666178813, 19998536439]

約数ペア:

[(1, 19998536439), (3, 6666178813), (7, 2856933777), (21, 952311259), (241, 82981479), (723, 27660493), (1549, 12910611), (1687, 11854497), (2551, 7839489), (4647, 4303537), (5061, 3951499), (7653, 2613163), (10843, 1844373), (17857, 1119927), (32529, 614791), (53571, 373309)]