648900057

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{1619}}^1$

素因数の和:1917

約数の個数: 32

約数和(自身を含む): 958003200

約数和(自身を除く): 309103143

約数列:

[1, 3, 13, 39, 43, 129, 239, 559, 717, 1619, 1677, 3107, 4857, 9321, 10277, 21047, 30831, 63141, 69617, 133601, 208851, 386941, 400803, 905021, 1160823, 2715063, 5030233, 15090699, 16638463, 49915389, 216300019, 648900057]

約数ペア:

[(1, 648900057), (3, 216300019), (13, 49915389), (39, 16638463), (43, 15090699), (129, 5030233), (239, 2715063), (559, 1160823), (717, 905021), (1619, 400803), (1677, 386941), (3107, 208851), (4857, 133601), (9321, 69617), (10277, 63141), (21047, 30831)]