217966311

素因数分解:

$3^2\times {\mathrm{379}}^1\times {\mathrm{63901}}^1$

素因数の和:64286

約数の個数: 12

約数和(自身を含む): 315675880

約数和(自身を除く): 97709569

約数列:

[1, 3, 9, 379, 1137, 3411, 63901, 191703, 575109, 24218479, 72655437, 217966311]

約数ペア:

[(1, 217966311), (3, 72655437), (9, 24218479), (379, 575109), (1137, 191703), (3411, 63901)]