78816087

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20509}}^1$

素因数の和:20583

約数の個数: 24

約数和(自身を含む): 132248480

約数和(自身を除く): 53432393

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 20509, 61527, 143563, 184581, 430689, 1251049, 1292067, 3753147, 8757343, 11259441, 26272029, 78816087]

約数ペア:

[(1, 78816087), (3, 26272029), (7, 11259441), (9, 8757343), (21, 3753147), (61, 1292067), (63, 1251049), (183, 430689), (427, 184581), (549, 143563), (1281, 61527), (3843, 20509)]