13771131

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{643}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 20556480

約数和(自身を除く): 6785349

約数列:

[1, 3, 11, 33, 59, 121, 177, 363, 643, 649, 1929, 1947, 7073, 7139, 21219, 21417, 37937, 77803, 113811, 233409, 417307, 1251921, 4590377, 13771131]

約数ペア:

[(1, 13771131), (3, 4590377), (11, 1251921), (33, 417307), (59, 233409), (121, 113811), (177, 77803), (363, 37937), (643, 21417), (649, 21219), (1929, 7139), (1947, 7073)]