123136929

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 209088000

約数和(自身を除く): 85951071

約数列:

[1, 3, 9, 19, 27, 29, 31, 57, 81, 87, 89, 93, 171, 261, 267, 279, 513, 551, 589, 783, 801, 837, 899, 1539, 1653, 1691, 1767, 2349, 2403, 2511, 2581, 2697, 2759, 4959, 5073, 5301, 7209, 7743, 8091, 8277, 14877, 15219, 15903, 17081, 23229, 24273, 24831, 44631, 45657, 47709, 49039, 51243, 52421, 69687, 72819, 74493, 80011, 136971, 147117, 153729, 157263, 209061, 223479, 240033, 441351, 461187, 471789, 720099, 1324053, 1383561, 1415367, 1520209, 2160297, 3972159, 4246101, 4560627, 6480891, 13681881, 41045643, 123136929]

約数ペア:

[(1, 123136929), (3, 41045643), (9, 13681881), (19, 6480891), (27, 4560627), (29, 4246101), (31, 3972159), (57, 2160297), (81, 1520209), (87, 1415367), (89, 1383561), (93, 1324053), (171, 720099), (261, 471789), (267, 461187), (279, 441351), (513, 240033), (551, 223479), (589, 209061), (783, 157263), (801, 153729), (837, 147117), (899, 136971), (1539, 80011), (1653, 74493), (1691, 72819), (1767, 69687), (2349, 52421), (2403, 51243), (2511, 49039), (2581, 47709), (2697, 45657), (2759, 44631), (4959, 24831), (5073, 24273), (5301, 23229), (7209, 17081), (7743, 15903), (8091, 15219), (8277, 14877)]