166986513

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{13553}}^1$

素因数の和:13633

約数の個数: 18

約数和(自身を含む): 247916214

約数和(自身を除く): 80929701

約数列:

[1, 3, 9, 37, 111, 333, 1369, 4107, 12321, 13553, 40659, 121977, 501461, 1504383, 4513149, 18554057, 55662171, 166986513]

約数ペア:

[(1, 166986513), (3, 55662171), (9, 18554057), (37, 4513149), (111, 1504383), (333, 501461), (1369, 121977), (4107, 40659), (12321, 13553)]