247378461

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{9623}}^1$

素因数の和:9697

約数の個数: 32

約数和(自身を含む): 388039680

約数和(自身を除く): 140661219

約数列:

[1, 3, 11, 19, 33, 41, 57, 123, 209, 451, 627, 779, 1353, 2337, 8569, 9623, 25707, 28869, 105853, 182837, 317559, 394543, 548511, 1183629, 2011207, 4339973, 6033621, 7496317, 13019919, 22488951, 82459487, 247378461]

約数ペア:

[(1, 247378461), (3, 82459487), (11, 22488951), (19, 13019919), (33, 7496317), (41, 6033621), (57, 4339973), (123, 2011207), (209, 1183629), (451, 548511), (627, 394543), (779, 317559), (1353, 182837), (2337, 105853), (8569, 28869), (9623, 25707)]