28704819

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{5147}}^1$

素因数の和:5187

約数の個数: 24

約数和(自身を含む): 45220032

約数和(自身を除く): 16515213

約数列:

[1, 3, 11, 13, 33, 39, 143, 169, 429, 507, 1859, 5147, 5577, 15441, 56617, 66911, 169851, 200733, 736021, 869843, 2208063, 2609529, 9568273, 28704819]

約数ペア:

[(1, 28704819), (3, 9568273), (11, 2609529), (13, 2208063), (33, 869843), (39, 736021), (143, 200733), (169, 169851), (429, 66911), (507, 56617), (1859, 15441), (5147, 5577)]