86873073

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{217727}}^1$

素因数の和:217756

約数の個数: 16

約数和(自身を含む): 139345920

約数和(自身を除く): 52472847

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 217727, 653181, 1524089, 4136813, 4572267, 12410439, 28957691, 86873073]

約数ペア:

[(1, 86873073), (3, 28957691), (7, 12410439), (19, 4572267), (21, 4136813), (57, 1524089), (133, 653181), (399, 217727)]