77728329

素因数分解:

$3^4\times 7^1\times {\mathrm{137087}}^1$

素因数の和:137106

約数の個数: 20

約数和(自身を含む): 132701184

約数和(自身を除く): 54972855

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 137087, 411261, 959609, 1233783, 2878827, 3701349, 8636481, 11104047, 25909443, 77728329]

約数ペア:

[(1, 77728329), (3, 25909443), (7, 11104047), (9, 8636481), (21, 3701349), (27, 2878827), (63, 1233783), (81, 959609), (189, 411261), (567, 137087)]