209422081

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{1801}}^1$

素因数の和:1885

約数の個数: 18

約数和(自身を含む): 237988338

約数和(自身を除く): 28566257

約数列:

[1, 11, 31, 121, 341, 961, 1801, 3751, 10571, 19811, 55831, 116281, 217921, 614141, 1730761, 6755551, 19038371, 209422081]

約数ペア:

[(1, 209422081), (11, 19038371), (31, 6755551), (121, 1730761), (341, 614141), (961, 217921), (1801, 116281), (3751, 55831), (10571, 19811)]