213315641

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{145807}}^1$

素因数の和:145844

約数の個数: 16

約数和(自身を含む): 279951360

約数和(自身を除く): 66635719

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 145807, 1020649, 1603877, 2770333, 11227139, 19392331, 30473663, 213315641]

約数ペア:

[(1, 213315641), (7, 30473663), (11, 19392331), (19, 11227139), (77, 2770333), (133, 1603877), (209, 1020649), (1463, 145807)]