248589

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:60

約数の個数: 28

約数和(自身を含む): 419712

約数和(自身を除く): 171123

約数列:

[1, 3, 9, 11, 27, 31, 33, 81, 93, 99, 243, 279, 297, 341, 729, 837, 891, 1023, 2511, 2673, 3069, 7533, 8019, 9207, 22599, 27621, 82863, 248589]

約数ペア:

[(1, 248589), (3, 82863), (9, 27621), (11, 22599), (27, 9207), (31, 8019), (33, 7533), (81, 3069), (93, 2673), (99, 2511), (243, 1023), (279, 891), (297, 837), (341, 729)]