216931

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 16

約数和(自身を含む): 268128

約数和(自身を除く): 51197

約数列:

[1, 11, 13, 37, 41, 143, 407, 451, 481, 533, 1517, 5291, 5863, 16687, 19721, 216931]

約数ペア:

[(1, 216931), (11, 19721), (13, 16687), (37, 5863), (41, 5291), (143, 1517), (407, 533), (451, 481)]