16992585

素因数分解:

$3^4\times 5^1\times {\mathrm{41957}}^1$

素因数の和:41974

約数の個数: 20

約数和(自身を含む): 30461508

約数和(自身を除く): 13468923

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 41957, 125871, 209785, 377613, 629355, 1132839, 1888065, 3398517, 5664195, 16992585]

約数ペア:

[(1, 16992585), (3, 5664195), (5, 3398517), (9, 1888065), (15, 1132839), (27, 629355), (45, 377613), (81, 209785), (135, 125871), (405, 41957)]