68289765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{267803}}^1$

素因数の和:267828

約数の個数: 16

約数和(自身を含む): 115691328

約数和(自身を除く): 47401563

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 267803, 803409, 1339015, 4017045, 4552651, 13657953, 22763255, 68289765]

約数ペア:

[(1, 68289765), (3, 22763255), (5, 13657953), (15, 4552651), (17, 4017045), (51, 1339015), (85, 803409), (255, 267803)]