987789

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 1477440

約数和(自身を除く): 489651

約数列:

[1, 3, 11, 33, 37, 111, 407, 809, 1221, 2427, 8899, 26697, 29933, 89799, 329263, 987789]

約数ペア:

[(1, 987789), (3, 329263), (11, 89799), (33, 29933), (37, 26697), (111, 8899), (407, 2427), (809, 1221)]