216907779

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{285781}}^1$

素因数の和:285818

約数の個数: 16

約数和(自身を含む): 329220864

約数和(自身を除く): 112313085

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 285781, 857343, 3143591, 6572963, 9430773, 19718889, 72302593, 216907779]

約数ペア:

[(1, 216907779), (3, 72302593), (11, 19718889), (23, 9430773), (33, 6572963), (69, 3143591), (253, 857343), (759, 285781)]