16871895

素因数分解:

$3^4\times 5^1\times {\mathrm{41659}}^1$

素因数の和:41676

約数の個数: 20

約数和(自身を含む): 30245160

約数和(自身を除く): 13373265

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 41659, 124977, 208295, 374931, 624885, 1124793, 1874655, 3374379, 5623965, 16871895]

約数ペア:

[(1, 16871895), (3, 5623965), (5, 3374379), (9, 1874655), (15, 1124793), (27, 624885), (45, 374931), (81, 208295), (135, 124977), (405, 41659)]