206379009

素因数分解:

$3^4\times {\mathrm{463}}^1\times {\mathrm{5503}}^1$

素因数の和:5978

約数の個数: 20

約数和(自身を含む): 309016576

約数和(自身を除く): 102637567

約数列:

[1, 3, 9, 27, 81, 463, 1389, 4167, 5503, 12501, 16509, 37503, 49527, 148581, 445743, 2547889, 7643667, 22931001, 68793003, 206379009]

約数ペア:

[(1, 206379009), (3, 68793003), (9, 22931001), (27, 7643667), (81, 2547889), (463, 445743), (1389, 148581), (4167, 49527), (5503, 37503), (12501, 16509)]