31989903

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 49766400

約数和(自身を除く): 17776497

約数列:

[1, 3, 11, 17, 33, 51, 127, 187, 381, 449, 561, 1347, 1397, 2159, 4191, 4939, 6477, 7633, 14817, 22899, 23749, 57023, 71247, 83963, 171069, 251889, 627253, 969391, 1881759, 2908173, 10663301, 31989903]

約数ペア:

[(1, 31989903), (3, 10663301), (11, 2908173), (17, 1881759), (33, 969391), (51, 627253), (127, 251889), (187, 171069), (381, 83963), (449, 71247), (561, 57023), (1347, 23749), (1397, 22899), (2159, 14817), (4191, 7633), (4939, 6477)]