214974207

素因数分解:

$3^2\times 7^1\times {\mathrm{887}}^1\times {\mathrm{3847}}^1$

素因数の和:4747

約数の個数: 24

約数和(自身を含む): 355370496

約数和(自身を除く): 140396289

約数列:

[1, 3, 7, 9, 21, 63, 887, 2661, 3847, 6209, 7983, 11541, 18627, 26929, 34623, 55881, 80787, 242361, 3412289, 10236867, 23886023, 30710601, 71658069, 214974207]

約数ペア:

[(1, 214974207), (3, 71658069), (7, 30710601), (9, 23886023), (21, 10236867), (63, 3412289), (887, 242361), (2661, 80787), (3847, 55881), (6209, 34623), (7983, 26929), (11541, 18627)]