28421811

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{26099}}^1$

素因数の和:26127

約数の個数: 18

約数和(自身を含む): 45126900

約数和(自身を除く): 16705089

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 26099, 78297, 234891, 287089, 861267, 2583801, 3157979, 9473937, 28421811]

約数ペア:

[(1, 28421811), (3, 9473937), (9, 3157979), (11, 2583801), (33, 861267), (99, 287089), (121, 234891), (363, 78297), (1089, 26099)]