28088949

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{18839}}^1$

素因数の和:18920

約数の個数: 16

約数和(自身を含む): 43407360

約数和(自身を除く): 15318411

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 18839, 56517, 131873, 395619, 1337569, 4012707, 9362983, 28088949]

約数ペア:

[(1, 28088949), (3, 9362983), (7, 4012707), (21, 1337569), (71, 395619), (213, 131873), (497, 56517), (1491, 18839)]