25472979

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{13043}}^1$

素因数の和:13087

約数の個数: 24

約数和(自身を含む): 43410432

約数和(自身を除く): 17937453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 13043, 39129, 91301, 117387, 273903, 404333, 821709, 1212999, 2830331, 3638997, 8490993, 25472979]

約数ペア:

[(1, 25472979), (3, 8490993), (7, 3638997), (9, 2830331), (21, 1212999), (31, 821709), (63, 404333), (93, 273903), (217, 117387), (279, 91301), (651, 39129), (1953, 13043)]