1309212081

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{7656211}}^1$

素因数の和:7656236

約数の個数: 12

約数和(自身を含む): 1990615120

約数和(自身を除く): 681403039

約数列:

[1, 3, 9, 19, 57, 171, 7656211, 22968633, 68905899, 145468009, 436404027, 1309212081]

約数ペア:

[(1, 1309212081), (3, 436404027), (9, 145468009), (19, 68905899), (57, 22968633), (171, 7656211)]