9940581

素因数分解:

$3^2\times 7^2\times {\mathrm{22541}}^1$

素因数の和:22561

約数の個数: 18

約数和(自身を含む): 16703622

約数和(自身を除く): 6763041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 22541, 67623, 157787, 202869, 473361, 1104509, 1420083, 3313527, 9940581]

約数ペア:

[(1, 9940581), (3, 3313527), (7, 1420083), (9, 1104509), (21, 473361), (49, 202869), (63, 157787), (147, 67623), (441, 22541)]