204512979

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{743}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 314265600

約数和(自身を除く): 109752621

約数列:

[1, 3, 11, 19, 33, 57, 209, 439, 627, 743, 1317, 2229, 4829, 8173, 8341, 14117, 14487, 24519, 25023, 42351, 91751, 155287, 275253, 326177, 465861, 978531, 3587947, 6197363, 10763841, 18592089, 68170993, 204512979]

約数ペア:

[(1, 204512979), (3, 68170993), (11, 18592089), (19, 10763841), (33, 6197363), (57, 3587947), (209, 978531), (439, 465861), (627, 326177), (743, 275253), (1317, 155287), (2229, 91751), (4829, 42351), (8173, 25023), (8341, 24519), (14117, 14487)]