66689985

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{108439}}^1$

素因数の和:108488

約数の個数: 16

約数和(自身を含む): 109307520

約数和(自身を除く): 42617535

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 108439, 325317, 542195, 1626585, 4445999, 13337997, 22229995, 66689985]

約数ペア:

[(1, 66689985), (3, 22229995), (5, 13337997), (15, 4445999), (41, 1626585), (123, 542195), (205, 325317), (615, 108439)]