259281

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{97}}^1$

素因数の和:123

約数の個数: 24

約数和(自身を含む): 428064

約数和(自身を除く): 168783

約数列:

[1, 3, 9, 11, 27, 33, 81, 97, 99, 243, 291, 297, 873, 891, 1067, 2619, 2673, 3201, 7857, 9603, 23571, 28809, 86427, 259281]

約数ペア:

[(1, 259281), (3, 86427), (9, 28809), (11, 23571), (27, 9603), (33, 7857), (81, 3201), (97, 2673), (99, 2619), (243, 1067), (291, 891), (297, 873)]