66708255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{261601}}^1$

素因数の和:261626

約数の個数: 16

約数和(自身を含む): 113012064

約数和(自身を除く): 46303809

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 261601, 784803, 1308005, 3924015, 4447217, 13341651, 22236085, 66708255]

約数ペア:

[(1, 66708255), (3, 22236085), (5, 13341651), (15, 4447217), (17, 3924015), (51, 1308005), (85, 784803), (255, 261601)]