77878161

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{857}}^1$

素因数の和:1325

約数の個数: 24

約数和(自身を含む): 117786240

約数和(自身を除く): 39908079

約数列:

[1, 3, 9, 23, 69, 207, 439, 857, 1317, 2571, 3951, 7713, 10097, 19711, 30291, 59133, 90873, 177399, 376223, 1128669, 3386007, 8653129, 25959387, 77878161]

約数ペア:

[(1, 77878161), (3, 25959387), (9, 8653129), (23, 3386007), (69, 1128669), (207, 376223), (439, 177399), (857, 90873), (1317, 59133), (2571, 30291), (3951, 19711), (7713, 10097)]