28713993

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{124303}}^1$

素因数の和:124324

約数の個数: 16

約数和(自身を含む): 47732736

約数和(自身を除く): 19018743

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 124303, 372909, 870121, 1367333, 2610363, 4101999, 9571331, 28713993]

約数ペア:

[(1, 28713993), (3, 9571331), (7, 4101999), (11, 2610363), (21, 1367333), (33, 870121), (77, 372909), (231, 124303)]