881001

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{809}}^1$

素因数の和:837

約数の個数: 18

約数和(自身を含む): 1400490

約数和(自身を除く): 519489

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 809, 1089, 2427, 7281, 8899, 26697, 80091, 97889, 293667, 881001]

約数ペア:

[(1, 881001), (3, 293667), (9, 97889), (11, 80091), (33, 26697), (99, 8899), (121, 7281), (363, 2427), (809, 1089)]