15639261

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{24943}}^1$

素因数の和:24976

約数の個数: 16

約数和(自身を含む): 23946240

約数和(自身を除く): 8306979

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 24943, 74829, 274373, 473917, 823119, 1421751, 5213087, 15639261]

約数ペア:

[(1, 15639261), (3, 5213087), (11, 1421751), (19, 823119), (33, 473917), (57, 274373), (209, 74829), (627, 24943)]