28906227

素因数分解:

$3^4\times 7^2\times {\mathrm{7283}}^1$

素因数の和:7309

約数の個数: 30

約数和(自身を含む): 50237748

約数和(自身を除く): 21331521

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 7283, 21849, 50981, 65547, 152943, 196641, 356867, 458829, 589923, 1070601, 1376487, 3211803, 4129461, 9635409, 28906227]

約数ペア:

[(1, 28906227), (3, 9635409), (7, 4129461), (9, 3211803), (21, 1376487), (27, 1070601), (49, 589923), (63, 458829), (81, 356867), (147, 196641), (189, 152943), (441, 65547), (567, 50981), (1323, 21849), (3969, 7283)]