28918971

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{6571}}^1$

素因数の和:6743

約数の個数: 16

約数和(自身を含む): 43112320

約数和(自身を除く): 14193349

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 6571, 19713, 59139, 177417, 1071073, 3213219, 9639657, 28918971]

約数ペア:

[(1, 28918971), (3, 9639657), (9, 3213219), (27, 1071073), (163, 177417), (489, 59139), (1467, 19713), (4401, 6571)]