51369795

素因数分解:

$3^4\times 5^1\times {\mathrm{126839}}^1$

素因数の和:126856

約数の個数: 20

約数和(自身を含む): 92085840

約数和(自身を除く): 40716045

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 126839, 380517, 634195, 1141551, 1902585, 3424653, 5707755, 10273959, 17123265, 51369795]

約数ペア:

[(1, 51369795), (3, 17123265), (5, 10273959), (9, 5707755), (15, 3424653), (27, 1902585), (45, 1141551), (81, 634195), (135, 380517), (405, 126839)]