81493347

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1933}}^1$

素因数の和:2019

約数の個数: 32

約数和(自身を含む): 124766208

約数和(自身を除く): 43272861

約数列:

[1, 3, 13, 23, 39, 47, 69, 141, 299, 611, 897, 1081, 1833, 1933, 3243, 5799, 14053, 25129, 42159, 44459, 75387, 90851, 133377, 272553, 577967, 1181063, 1733901, 2089573, 3543189, 6268719, 27164449, 81493347]

約数ペア:

[(1, 81493347), (3, 27164449), (13, 6268719), (23, 3543189), (39, 2089573), (47, 1733901), (69, 1181063), (141, 577967), (299, 272553), (611, 133377), (897, 90851), (1081, 75387), (1833, 44459), (1933, 42159), (3243, 25129), (5799, 14053)]