201721119

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{48479}}^1$

素因数の和:48574

約数の個数: 16

約数和(自身を含む): 287001600

約数和(自身を除く): 85280481

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 48479, 145437, 921101, 2763303, 3538967, 10616901, 67240373, 201721119]

約数ペア:

[(1, 201721119), (3, 67240373), (19, 10616901), (57, 3538967), (73, 2763303), (219, 921101), (1387, 145437), (4161, 48479)]