78752007

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{57191}}^1$

素因数の和:57220

約数の個数: 20

約数和(自身を含む): 124564176

約数和(自身を除く): 45812169

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 57191, 171573, 514719, 972247, 1544157, 2916741, 4632471, 8750223, 26250669, 78752007]

約数ペア:

[(1, 78752007), (3, 26250669), (9, 8750223), (17, 4632471), (27, 2916741), (51, 1544157), (81, 972247), (153, 514719), (459, 171573), (1377, 57191)]