26801361

素因数分解:

$3^4\times {\mathrm{409}}^1\times {\mathrm{809}}^1$

素因数の和:1230

約数の個数: 20

約数和(自身を含む): 40184100

約数和(自身を除く): 13382739

約数列:

[1, 3, 9, 27, 81, 409, 809, 1227, 2427, 3681, 7281, 11043, 21843, 33129, 65529, 330881, 992643, 2977929, 8933787, 26801361]

約数ペア:

[(1, 26801361), (3, 8933787), (9, 2977929), (27, 992643), (81, 330881), (409, 65529), (809, 33129), (1227, 21843), (2427, 11043), (3681, 7281)]