28691883

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{26347}}^1$

素因数の和:26375

約数の個数: 18

約数和(自身を含む): 45555692

約数和(自身を除く): 16863809

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 26347, 79041, 237123, 289817, 869451, 2608353, 3187987, 9563961, 28691883]

約数ペア:

[(1, 28691883), (3, 9563961), (9, 3187987), (11, 2608353), (33, 869451), (99, 289817), (121, 237123), (363, 79041), (1089, 26347)]