215533263

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{21001}}^1$

素因数の和:21326

約数の個数: 16

約数和(自身を含む): 314525952

約数和(自身を除く): 98992689

約数列:

[1, 3, 11, 33, 311, 933, 3421, 10263, 21001, 63003, 231011, 693033, 6531311, 19593933, 71844421, 215533263]

約数ペア:

[(1, 215533263), (3, 71844421), (11, 19593933), (33, 6531311), (311, 693033), (933, 231011), (3421, 63003), (10263, 21001)]