66415707

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{5503}}^1$

素因数の和:5664

約数の個数: 20

約数和(自身を含む): 99897600

約数和(自身を除く): 33481893

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 4023, 5503, 12069, 16509, 49527, 148581, 445743, 819947, 2459841, 7379523, 22138569, 66415707]

約数ペア:

[(1, 66415707), (3, 22138569), (9, 7379523), (27, 2459841), (81, 819947), (149, 445743), (447, 148581), (1341, 49527), (4023, 16509), (5503, 12069)]