16886991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1171}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 27002880

約数和(自身を除く): 10115889

約数列:

[1, 3, 11, 19, 23, 33, 57, 69, 209, 253, 437, 627, 759, 1171, 1311, 3513, 4807, 12881, 14421, 22249, 26933, 38643, 66747, 80799, 244739, 296263, 511727, 734217, 888789, 1535181, 5628997, 16886991]

約数ペア:

[(1, 16886991), (3, 5628997), (11, 1535181), (19, 888789), (23, 734217), (33, 511727), (57, 296263), (69, 244739), (209, 80799), (253, 66747), (437, 38643), (627, 26933), (759, 22249), (1171, 14421), (1311, 12881), (3513, 4807)]