78789021

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1\times {\mathrm{1087}}^1$

素因数の和:1780

約数の個数: 16

約数和(自身を含む): 108155904

約数和(自身を除く): 29366883

約数列:

[1, 3, 37, 111, 653, 1087, 1959, 3261, 24161, 40219, 72483, 120657, 709811, 2129433, 26263007, 78789021]

約数ペア:

[(1, 78789021), (3, 26263007), (37, 2129433), (111, 709811), (653, 120657), (1087, 72483), (1959, 40219), (3261, 24161)]