25491249

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{8609}}^1$

素因数の和:8669

約数の個数: 24

約数和(自身を含む): 42981120

約数和(自身を除く): 17489871

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 8609, 25827, 60263, 77481, 180789, 404623, 542367, 1213869, 2832361, 3641607, 8497083, 25491249]

約数ペア:

[(1, 25491249), (3, 8497083), (7, 3641607), (9, 2832361), (21, 1213869), (47, 542367), (63, 404623), (141, 180789), (329, 77481), (423, 60263), (987, 25827), (2961, 8609)]