28063959

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3919}}^1$

素因数の和:3971

約数の個数: 32

約数和(自身を含む): 48168960

約数和(自身を除く): 20105001

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 3919, 7161, 11757, 27433, 43109, 82299, 121489, 129327, 301763, 364467, 850423, 905289, 1336379, 2551269, 4009137, 9354653, 28063959]

約数ペア:

[(1, 28063959), (3, 9354653), (7, 4009137), (11, 2551269), (21, 1336379), (31, 905289), (33, 850423), (77, 364467), (93, 301763), (217, 129327), (231, 121489), (341, 82299), (651, 43109), (1023, 27433), (2387, 11757), (3919, 7161)]