13778265

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39937}}^1$

素因数の和:39968

約数の個数: 16

約数和(自身を含む): 23004288

約数和(自身を除く): 9226023

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 39937, 119811, 199685, 599055, 918551, 2755653, 4592755, 13778265]

約数ペア:

[(1, 13778265), (3, 4592755), (5, 2755653), (15, 918551), (23, 599055), (69, 199685), (115, 119811), (345, 39937)]