2149016781

素因数分解:

$3^1\times {\mathrm{257}}^1\times {\mathrm{613}}^1\times {\mathrm{4547}}^1$

素因数の和:5420

約数の個数: 16

約数和(自身を含む): 2881831104

約数和(自身を除く): 732814323

約数列:

[1, 3, 257, 613, 771, 1839, 4547, 13641, 157541, 472623, 1168579, 2787311, 3505737, 8361933, 716338927, 2149016781]

約数ペア:

[(1, 2149016781), (3, 716338927), (257, 8361933), (613, 3505737), (771, 2787311), (1839, 1168579), (4547, 472623), (13641, 157541)]