219876951

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{222773}}^1$

素因数の和:222830

約数の個数: 16

約数和(自身を含む): 342180864

約数和(自身を除く): 122303913

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 222773, 668319, 1559411, 4678233, 10470331, 31410993, 73292317, 219876951]

約数ペア:

[(1, 219876951), (3, 73292317), (7, 31410993), (21, 10470331), (47, 4678233), (141, 1559411), (329, 668319), (987, 222773)]