209439131

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{21179}}^1$

素因数の和:21250

約数の個数: 16

約数和(自身を含む): 243993600

約数和(自身を除く): 34554469

約数列:

[1, 11, 29, 31, 319, 341, 899, 9889, 21179, 232969, 614191, 656549, 6756101, 7222039, 19039921, 209439131]

約数ペア:

[(1, 209439131), (11, 19039921), (29, 7222039), (31, 6756101), (319, 656549), (341, 614191), (899, 232969), (9889, 21179)]