31289274

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{8161}}^1$

素因数の和:8243

約数の個数: 32

約数和(自身を含む): 70519680

約数和(自身を除く): 39230406

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 8161, 16322, 24483, 48966, 73449, 146898, 220347, 440694, 579431, 1158862, 1738293, 3476586, 5214879, 10429758, 15644637, 31289274]

約数ペア:

[(1, 31289274), (2, 15644637), (3, 10429758), (6, 5214879), (9, 3476586), (18, 1738293), (27, 1158862), (54, 579431), (71, 440694), (142, 220347), (213, 146898), (426, 73449), (639, 48966), (1278, 24483), (1917, 16322), (3834, 8161)]