215589

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:200

約数の個数: 16

約数和(自身を含む): 322560

約数和(自身を除く): 106971

約数列:

[1, 3, 11, 33, 47, 139, 141, 417, 517, 1529, 1551, 4587, 6533, 19599, 71863, 215589]

約数ペア:

[(1, 215589), (3, 71863), (11, 19599), (33, 6533), (47, 4587), (139, 1551), (141, 1529), (417, 517)]