81902685

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{321187}}^1$

素因数の和:321212

約数の個数: 16

約数和(自身を含む): 138753216

約数和(自身を除く): 56850531

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 321187, 963561, 1605935, 4817805, 5460179, 16380537, 27300895, 81902685]

約数ペア:

[(1, 81902685), (3, 27300895), (5, 16380537), (15, 5460179), (17, 4817805), (51, 1605935), (85, 963561), (255, 321187)]