28290663

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{1423}}^1$

素因数の和:1523

約数の個数: 18

約数和(自身を含む): 41781584

約数和(自身を除く): 13490921

約数列:

[1, 3, 9, 47, 141, 423, 1423, 2209, 4269, 6627, 12807, 19881, 66881, 200643, 601929, 3143407, 9430221, 28290663]

約数ペア:

[(1, 28290663), (3, 9430221), (9, 3143407), (47, 601929), (141, 200643), (423, 66881), (1423, 19881), (2209, 12807), (4269, 6627)]