216455958

素因数分解:

$2^1\times 3^2\times {\mathrm{431}}^1\times {\mathrm{27901}}^1$

素因数の和:28340

約数の個数: 24

約数和(自身を含む): 470092896

約数和(自身を除く): 253636938

約数列:

[1, 2, 3, 6, 9, 18, 431, 862, 1293, 2586, 3879, 7758, 27901, 55802, 83703, 167406, 251109, 502218, 12025331, 24050662, 36075993, 72151986, 108227979, 216455958]

約数ペア:

[(1, 216455958), (2, 108227979), (3, 72151986), (6, 36075993), (9, 24050662), (18, 12025331), (431, 502218), (862, 251109), (1293, 167406), (2586, 83703), (3879, 55802), (7758, 27901)]