28860921

素因数分解:

$3^3\times {\mathrm{457}}^1\times {\mathrm{2339}}^1$

素因数の和:2805

約数の個数: 16

約数和(自身を含む): 42868800

約数和(自身を除く): 14007879

約数列:

[1, 3, 9, 27, 457, 1371, 2339, 4113, 7017, 12339, 21051, 63153, 1068923, 3206769, 9620307, 28860921]

約数ペア:

[(1, 28860921), (3, 9620307), (9, 3206769), (27, 1068923), (457, 63153), (1371, 21051), (2339, 12339), (4113, 7017)]