217797217

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{937}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 255995208

約数和(自身を除く): 38197991

約数列:

[1, 11, 17, 113, 121, 187, 937, 1243, 1921, 2057, 10307, 13673, 15929, 21131, 105881, 113377, 175219, 232441, 1164691, 1799977, 1927409, 12811601, 19799747, 217797217]

約数ペア:

[(1, 217797217), (11, 19799747), (17, 12811601), (113, 1927409), (121, 1799977), (187, 1164691), (937, 232441), (1243, 175219), (1921, 113377), (2057, 105881), (10307, 21131), (13673, 15929)]