216331317

素因数分解:

$3^4\times {\mathrm{887}}^1\times {\mathrm{3011}}^1$

素因数の和:3910

約数の個数: 20

約数和(自身を含む): 323633376

約数和(自身を除く): 107302059

約数列:

[1, 3, 9, 27, 81, 887, 2661, 3011, 7983, 9033, 23949, 27099, 71847, 81297, 243891, 2670757, 8012271, 24036813, 72110439, 216331317]

約数ペア:

[(1, 216331317), (3, 72110439), (9, 24036813), (27, 8012271), (81, 2670757), (887, 243891), (2661, 81297), (3011, 71847), (7983, 27099), (9033, 23949)]