81390441

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2459}}^1$

素因数の和:2549

約数の個数: 32

約数和(自身を含む): 127526400

約数和(自身を除く): 46135959

約数列:

[1, 3, 11, 17, 33, 51, 59, 177, 187, 561, 649, 1003, 1947, 2459, 3009, 7377, 11033, 27049, 33099, 41803, 81147, 125409, 145081, 435243, 459833, 1379499, 1595891, 2466377, 4787673, 7399131, 27130147, 81390441]

約数ペア:

[(1, 81390441), (3, 27130147), (11, 7399131), (17, 4787673), (33, 2466377), (51, 1595891), (59, 1379499), (177, 459833), (187, 435243), (561, 145081), (649, 125409), (1003, 81147), (1947, 41803), (2459, 33099), (3009, 27049), (7377, 11033)]