51638427

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{797}}^1$

素因数の和:1139

約数の個数: 24

約数和(自身を含む): 78178464

約数和(自身を除く): 26540037

約数列:

[1, 3, 9, 23, 69, 207, 313, 797, 939, 2391, 2817, 7173, 7199, 18331, 21597, 54993, 64791, 164979, 249461, 748383, 2245149, 5737603, 17212809, 51638427]

約数ペア:

[(1, 51638427), (3, 17212809), (9, 5737603), (23, 2245149), (69, 748383), (207, 249461), (313, 164979), (797, 64791), (939, 54993), (2391, 21597), (2817, 18331), (7173, 7199)]