81039123

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4787}}^1$

素因数の和:4829

約数の個数: 40

約数和(自身を含む): 139043520

約数和(自身を除く): 58004397

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 297, 513, 627, 891, 1539, 1881, 4787, 5643, 14361, 16929, 43083, 52657, 90953, 129249, 157971, 272859, 387747, 473913, 818577, 1000483, 1421739, 2455731, 3001449, 4265217, 7367193, 9004347, 27013041, 81039123]

約数ペア:

[(1, 81039123), (3, 27013041), (9, 9004347), (11, 7367193), (19, 4265217), (27, 3001449), (33, 2455731), (57, 1421739), (81, 1000483), (99, 818577), (171, 473913), (209, 387747), (297, 272859), (513, 157971), (627, 129249), (891, 90953), (1539, 52657), (1881, 43083), (4787, 16929), (5643, 14361)]