31321269

素因数分解:

$3^3\times 7^1\times {\mathrm{165721}}^1$

素因数の和:165737

約数の個数: 16

約数和(自身を含む): 53031040

約数和(自身を除く): 21709771

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 165721, 497163, 1160047, 1491489, 3480141, 4474467, 10440423, 31321269]

約数ペア:

[(1, 31321269), (3, 10440423), (7, 4474467), (9, 3480141), (21, 1491489), (27, 1160047), (63, 497163), (189, 165721)]