18280431

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{52081}}^1$

素因数の和:52103

約数の個数: 16

約数和(自身を含む): 29165920

約数和(自身を除く): 10885489

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 52081, 156243, 468729, 677053, 1406187, 2031159, 6093477, 18280431]

約数ペア:

[(1, 18280431), (3, 6093477), (9, 2031159), (13, 1406187), (27, 677053), (39, 468729), (117, 156243), (351, 52081)]