217690561

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{2749}}^1$

素因数の和:3096

約数の個数: 16

約数和(自身を含む): 248688000

約数和(自身を除く): 30997439

約数列:

[1, 11, 23, 253, 313, 2749, 3443, 7199, 30239, 63227, 79189, 695497, 860437, 9464807, 19790051, 217690561]

約数ペア:

[(1, 217690561), (11, 19790051), (23, 9464807), (253, 860437), (313, 695497), (2749, 79189), (3443, 63227), (7199, 30239)]