16986285

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19867}}^1$

素因数の和:19897

約数の個数: 24

約数和(自身を含む): 30994080

約数和(自身を除く): 14007795

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 19867, 59601, 99335, 178803, 298005, 377473, 894015, 1132419, 1887365, 3397257, 5662095, 16986285]

約数ペア:

[(1, 16986285), (3, 5662095), (5, 3397257), (9, 1887365), (15, 1132419), (19, 894015), (45, 377473), (57, 298005), (95, 178803), (171, 99335), (285, 59601), (855, 19867)]