20172310065

素因数分解:

$3^4\times 5^1\times {\mathrm{49808173}}^1$

素因数の和:49808190

約数の個数: 20

約数和(自身を含む): 36160734324

約数和(自身を除く): 15988424259

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49808173, 149424519, 249040865, 448273557, 747122595, 1344820671, 2241367785, 4034462013, 6724103355, 20172310065]

約数ペア:

[(1, 20172310065), (3, 6724103355), (5, 4034462013), (9, 2241367785), (15, 1344820671), (27, 747122595), (45, 448273557), (81, 249040865), (135, 149424519), (405, 49808173)]