221247105

素因数分解:

$3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{85259}}^1$

素因数の和:85440

約数の個数: 16

約数和(自身を含む): 356045760

約数和(自身を除く): 134798655

約数列:

[1, 3, 5, 15, 173, 519, 865, 2595, 85259, 255777, 426295, 1278885, 14749807, 44249421, 73749035, 221247105]

約数ペア:

[(1, 221247105), (3, 73749035), (5, 44249421), (15, 14749807), (173, 1278885), (519, 426295), (865, 255777), (2595, 85259)]