81230787

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{13907}}^1$

素因数の和:13983

約数の個数: 24

約数和(自身を含む): 130178880

約数和(自身を除く): 48948093

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 5841, 13907, 41721, 125163, 152977, 458931, 820513, 1376793, 2461539, 7384617, 9025643, 27076929, 81230787]

約数ペア:

[(1, 81230787), (3, 27076929), (9, 9025643), (11, 7384617), (33, 2461539), (59, 1376793), (99, 820513), (177, 458931), (531, 152977), (649, 125163), (1947, 41721), (5841, 13907)]