77640321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{3659}}^1$

素因数の和:4316

約数の個数: 16

約数和(自身を含む): 113137920

約数和(自身を除く): 35497599

約数列:

[1, 3, 11, 33, 643, 1929, 3659, 7073, 10977, 21219, 40249, 120747, 2352737, 7058211, 25880107, 77640321]

約数ペア:

[(1, 77640321), (3, 25880107), (11, 7058211), (33, 2352737), (643, 120747), (1929, 40249), (3659, 21219), (7073, 10977)]