81125649

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 148262400

約数和(自身を除く): 67136751

約数列:

[1, 3, 9, 11, 17, 19, 33, 43, 51, 57, 59, 99, 129, 153, 171, 177, 187, 209, 323, 387, 473, 531, 561, 627, 649, 731, 817, 969, 1003, 1121, 1419, 1683, 1881, 1947, 2193, 2451, 2537, 2907, 3009, 3363, 3553, 4257, 5841, 6579, 7353, 7611, 8041, 8987, 9027, 10089, 10659, 11033, 12331, 13889, 19057, 22833, 24123, 26961, 27907, 31977, 33099, 36993, 41667, 43129, 48203, 57171, 72369, 80883, 83721, 99297, 110979, 125001, 129387, 144609, 152779, 171513, 209627, 251163, 388161, 433827, 458337, 474419, 530233, 628881, 819451, 1375011, 1423257, 1590699, 1886643, 2458353, 4269771, 4772097, 7375059, 9013961, 27041883, 81125649]

約数ペア:

[(1, 81125649), (3, 27041883), (9, 9013961), (11, 7375059), (17, 4772097), (19, 4269771), (33, 2458353), (43, 1886643), (51, 1590699), (57, 1423257), (59, 1375011), (99, 819451), (129, 628881), (153, 530233), (171, 474419), (177, 458337), (187, 433827), (209, 388161), (323, 251163), (387, 209627), (473, 171513), (531, 152779), (561, 144609), (627, 129387), (649, 125001), (731, 110979), (817, 99297), (969, 83721), (1003, 80883), (1121, 72369), (1419, 57171), (1683, 48203), (1881, 43129), (1947, 41667), (2193, 36993), (2451, 33099), (2537, 31977), (2907, 27907), (3009, 26961), (3363, 24123), (3553, 22833), (4257, 19057), (5841, 13889), (6579, 12331), (7353, 11033), (7611, 10659), (8041, 10089), (8987, 9027)]