28255845

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81901}}^1$

素因数の和:81932

約数の個数: 16

約数和(自身を含む): 47175552

約数和(自身を除く): 18919707

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 81901, 245703, 409505, 1228515, 1883723, 5651169, 9418615, 28255845]

約数ペア:

[(1, 28255845), (3, 9418615), (5, 5651169), (15, 1883723), (23, 1228515), (69, 409505), (115, 245703), (345, 81901)]