28226913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3463}}^1$

素因数の和:3509

約数の個数: 32

約数和(自身を含む): 46556160

約数和(自身を除く): 18329247

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2717, 3463, 8151, 10389, 38093, 45019, 65797, 114279, 135057, 197391, 495209, 723767, 855361, 1485627, 2171301, 2566083, 9408971, 28226913]

約数ペア:

[(1, 28226913), (3, 9408971), (11, 2566083), (13, 2171301), (19, 1485627), (33, 855361), (39, 723767), (57, 495209), (143, 197391), (209, 135057), (247, 114279), (429, 65797), (627, 45019), (741, 38093), (2717, 10389), (3463, 8151)]