81661593

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{701}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 122653440

約数和(自身を除く): 40991847

約数列:

[1, 3, 13, 29, 39, 87, 103, 309, 377, 701, 1131, 1339, 2103, 2987, 4017, 8961, 9113, 20329, 27339, 38831, 60987, 72203, 116493, 216609, 264277, 792831, 938639, 2093887, 2815917, 6281661, 27220531, 81661593]

約数ペア:

[(1, 81661593), (3, 27220531), (13, 6281661), (29, 2815917), (39, 2093887), (87, 938639), (103, 792831), (309, 264277), (377, 216609), (701, 116493), (1131, 72203), (1339, 60987), (2103, 38831), (2987, 27339), (4017, 20329), (8961, 9113)]