27984411

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{727}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 50878464

約数和(自身を除く): 22894053

約数列:

[1, 3, 7, 9, 13, 21, 39, 47, 63, 91, 117, 141, 273, 329, 423, 611, 727, 819, 987, 1833, 2181, 2961, 4277, 5089, 5499, 6543, 9451, 12831, 15267, 28353, 34169, 38493, 45801, 66157, 85059, 102507, 198471, 239183, 307521, 444197, 595413, 717549, 1332591, 2152647, 3109379, 3997773, 9328137, 27984411]

約数ペア:

[(1, 27984411), (3, 9328137), (7, 3997773), (9, 3109379), (13, 2152647), (21, 1332591), (39, 717549), (47, 595413), (63, 444197), (91, 307521), (117, 239183), (141, 198471), (273, 102507), (329, 85059), (423, 66157), (611, 45801), (727, 38493), (819, 34169), (987, 28353), (1833, 15267), (2181, 12831), (2961, 9451), (4277, 6543), (5089, 5499)]