8661219

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 13833216

約数和(自身を除く): 5171997

約数列:

[1, 3, 7, 21, 37, 71, 111, 157, 213, 259, 471, 497, 777, 1099, 1491, 2627, 3297, 5809, 7881, 11147, 17427, 18389, 33441, 40663, 55167, 78029, 121989, 234087, 412439, 1237317, 2887073, 8661219]

約数ペア:

[(1, 8661219), (3, 2887073), (7, 1237317), (21, 412439), (37, 234087), (71, 121989), (111, 78029), (157, 55167), (213, 40663), (259, 33441), (471, 18389), (497, 17427), (777, 11147), (1099, 7881), (1491, 5809), (2627, 3297)]