16838991

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{11071}}^1$

素因数の和:11103

約数の個数: 18

約数和(自身を含む): 26340288

約数和(自身を除く): 9501297

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 11071, 33213, 99639, 143923, 431769, 1295307, 1870999, 5612997, 16838991]

約数ペア:

[(1, 16838991), (3, 5612997), (9, 1870999), (13, 1295307), (39, 431769), (117, 143923), (169, 99639), (507, 33213), (1521, 11071)]