789021

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 1257984

約数和(自身を除く): 468963

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 191, 243, 459, 573, 1377, 1719, 3247, 4131, 5157, 9741, 15471, 29223, 46413, 87669, 263007, 789021]

約数ペア:

[(1, 789021), (3, 263007), (9, 87669), (17, 46413), (27, 29223), (51, 15471), (81, 9741), (153, 5157), (191, 4131), (243, 3247), (459, 1719), (573, 1377)]