8992221

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 14358528

約数和(自身を除く): 5366307

約数列:

[1, 3, 7, 21, 37, 71, 111, 163, 213, 259, 489, 497, 777, 1141, 1491, 2627, 3423, 6031, 7881, 11573, 18093, 18389, 34719, 42217, 55167, 81011, 126651, 243033, 428201, 1284603, 2997407, 8992221]

約数ペア:

[(1, 8992221), (3, 2997407), (7, 1284603), (21, 428201), (37, 243033), (71, 126651), (111, 81011), (163, 55167), (213, 42217), (259, 34719), (489, 18389), (497, 18093), (777, 11573), (1141, 7881), (1491, 6031), (2627, 3423)]