81702309

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 126427392

約数和(自身を除く): 44725083

約数列:

[1, 3, 13, 29, 39, 47, 53, 87, 141, 159, 377, 611, 689, 841, 1131, 1363, 1537, 1833, 2067, 2491, 2523, 4089, 4611, 7473, 10933, 17719, 19981, 32383, 32799, 39527, 44573, 53157, 59943, 72239, 97149, 118581, 133719, 216717, 513851, 579449, 939107, 1541553, 1738347, 2094931, 2817321, 6284793, 27234103, 81702309]

約数ペア:

[(1, 81702309), (3, 27234103), (13, 6284793), (29, 2817321), (39, 2094931), (47, 1738347), (53, 1541553), (87, 939107), (141, 579449), (159, 513851), (377, 216717), (611, 133719), (689, 118581), (841, 97149), (1131, 72239), (1363, 59943), (1537, 53157), (1833, 44573), (2067, 39527), (2491, 32799), (2523, 32383), (4089, 19981), (4611, 17719), (7473, 10933)]