201521712821

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{13721}}^1\times {\mathrm{9337}}^1$

素因数の和:23093

約数の個数: 24

約数和(自身を含む): 238589299032

約数和(自身を除く): 37067586211

約数列:

[1, 11, 13, 121, 143, 1573, 9337, 13721, 102707, 121381, 150931, 178373, 1129777, 1335191, 1660241, 1962103, 14687101, 21583133, 128112977, 1409242747, 1665468701, 15501670217, 18320155711, 201521712821]

約数ペア:

[(1, 201521712821), (11, 18320155711), (13, 15501670217), (121, 1665468701), (143, 1409242747), (1573, 128112977), (9337, 21583133), (13721, 14687101), (102707, 1962103), (121381, 1660241), (150931, 1335191), (178373, 1129777)]