30091989

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{431}}^1$

素因数の和:525

約数の個数: 24

約数和(自身を含む): 43763328

約数和(自身を除く): 13671339

約数列:

[1, 3, 17, 37, 51, 111, 431, 629, 1293, 1369, 1887, 4107, 7327, 15947, 21981, 23273, 47841, 69819, 271099, 590039, 813297, 1770117, 10030663, 30091989]

約数ペア:

[(1, 30091989), (3, 10030663), (17, 1770117), (37, 813297), (51, 590039), (111, 271099), (431, 69819), (629, 47841), (1293, 23273), (1369, 21981), (1887, 15947), (4107, 7327)]