168889721

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{24103}}^1$

素因数の和:24141

約数の個数: 24

約数和(自身を含む): 230819904

約数和(自身を除く): 61930183

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 7007, 24103, 168721, 265133, 313339, 1181047, 1855931, 2193373, 3446729, 12991517, 15353611, 24127103, 168889721]

約数ペア:

[(1, 168889721), (7, 24127103), (11, 15353611), (13, 12991517), (49, 3446729), (77, 2193373), (91, 1855931), (143, 1181047), (539, 313339), (637, 265133), (1001, 168721), (7007, 24103)]