17972205

素因数分解:

$3^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1321}}^1$

素因数の和:2236

約数の個数: 16

約数和(自身を含む): 28809024

約数和(自身を除く): 10836819

約数列:

[1, 3, 5, 15, 907, 1321, 2721, 3963, 4535, 6605, 13605, 19815, 1198147, 3594441, 5990735, 17972205]

約数ペア:

[(1, 17972205), (3, 5990735), (5, 3594441), (15, 1198147), (907, 19815), (1321, 13605), (2721, 6605), (3963, 4535)]