25572141

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5717}}^1$

素因数の和:5801

約数の個数: 24

約数和(自身を含む): 42816384

約数和(自身を除く): 17244243

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 5717, 17151, 40019, 51453, 120057, 360171, 405907, 1217721, 2841349, 3653163, 8524047, 25572141]

約数ペア:

[(1, 25572141), (3, 8524047), (7, 3653163), (9, 2841349), (21, 1217721), (63, 405907), (71, 360171), (213, 120057), (497, 51453), (639, 40019), (1491, 17151), (4473, 5717)]