81490535

素因数分解:

$5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{9661}}^1$

素因数の和:9914

約数の個数: 16

約数和(自身を含む): 112233792

約数和(自身を除く): 30743257

約数列:

[1, 5, 7, 35, 241, 1205, 1687, 8435, 9661, 48305, 67627, 338135, 2328301, 11641505, 16298107, 81490535]

約数ペア:

[(1, 81490535), (5, 16298107), (7, 11641505), (35, 2328301), (241, 338135), (1205, 67627), (1687, 48305), (8435, 9661)]