247703721

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{127}}^1\times {\mathrm{1229}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 348257280

約数和(自身を除く): 100553559

約数列:

[1, 3, 23, 69, 127, 381, 529, 1229, 1587, 2921, 3687, 8763, 28267, 67183, 84801, 156083, 201549, 468249, 650141, 1950423, 3589909, 10769727, 82567907, 247703721]

約数ペア:

[(1, 247703721), (3, 82567907), (23, 10769727), (69, 3589909), (127, 1950423), (381, 650141), (529, 468249), (1229, 201549), (1587, 156083), (2921, 84801), (3687, 67183), (8763, 28267)]