215801663

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{121853}}^1$

素因数の和:121894

約数の個数: 16

約数和(自身を含む): 280751616

約数和(自身を除く): 64949953

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 121853, 852971, 1340383, 2802619, 9382681, 19618333, 30828809, 215801663]

約数ペア:

[(1, 215801663), (7, 30828809), (11, 19618333), (23, 9382681), (77, 2802619), (161, 1340383), (253, 852971), (1771, 121853)]