81671781

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{971}}^1$

素因数の和:1073

約数の個数: 24

約数和(自身を含む): 116103456

約数和(自身を除く): 34431675

約数列:

[1, 3, 23, 53, 69, 159, 529, 971, 1219, 1587, 2913, 3657, 22333, 28037, 51463, 66999, 84111, 154389, 513659, 1183649, 1540977, 3550947, 27223927, 81671781]

約数ペア:

[(1, 81671781), (3, 27223927), (23, 3550947), (53, 1540977), (69, 1183649), (159, 513659), (529, 154389), (971, 84111), (1219, 66999), (1587, 51463), (2913, 28037), (3657, 22333)]