208654857

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{4051}}^1$

素因数の和:4213

約数の個数: 24

約数和(自身を含む): 309734880

約数和(自身を除く): 101080023

約数列:

[1, 3, 9, 59, 97, 177, 291, 531, 873, 4051, 5723, 12153, 17169, 36459, 51507, 239009, 392947, 717027, 1178841, 2151081, 3536523, 23183873, 69551619, 208654857]

約数ペア:

[(1, 208654857), (3, 69551619), (9, 23183873), (59, 3536523), (97, 2151081), (177, 1178841), (291, 717027), (531, 392947), (873, 239009), (4051, 51507), (5723, 36459), (12153, 17169)]