81553839

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{2351}}^1$

素因数の和:2758

約数の個数: 16

約数和(自身を含む): 112594944

約数和(自身を除く): 31041105

約数列:

[1, 3, 31, 93, 373, 1119, 2351, 7053, 11563, 34689, 72881, 218643, 876923, 2630769, 27184613, 81553839]

約数ペア:

[(1, 81553839), (3, 27184613), (31, 2630769), (93, 876923), (373, 218643), (1119, 72881), (2351, 34689), (7053, 11563)]