78240165

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{33223}}^1$

素因数の和:33388

約数の個数: 16

約数和(自身を含む): 125985408

約数和(自身を除く): 47745243

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 33223, 99669, 166115, 498345, 5216011, 15648033, 26080055, 78240165]

約数ペア:

[(1, 78240165), (3, 26080055), (5, 15648033), (15, 5216011), (157, 498345), (471, 166115), (785, 99669), (2355, 33223)]