28869129

素因数分解:

$3^6\times {\mathrm{199}}^2$

素因数の和:416

約数の個数: 21

約数和(自身を含む): 43502493

約数和(自身を除く): 14633364

約数列:

[1, 3, 9, 27, 81, 199, 243, 597, 729, 1791, 5373, 16119, 39601, 48357, 118803, 145071, 356409, 1069227, 3207681, 9623043, 28869129]

約数ペア:

[(1, 28869129), (3, 9623043), (9, 3207681), (27, 1069227), (81, 356409), (199, 145071), (243, 118803), (597, 48357), (729, 39601), (1791, 16119)]