68405565

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{198277}}^1$

素因数の和:198308

約数の個数: 16

約数和(自身を含む): 114208128

約数和(自身を除く): 45802563

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 198277, 594831, 991385, 2974155, 4560371, 13681113, 22801855, 68405565]

約数ペア:

[(1, 68405565), (3, 22801855), (5, 13681113), (15, 4560371), (23, 2974155), (69, 991385), (115, 594831), (345, 198277)]