13681881

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 22464000

約数和(自身を除く): 8782119

約数列:

[1, 3, 9, 19, 29, 31, 57, 87, 89, 93, 171, 261, 267, 279, 551, 589, 801, 899, 1653, 1691, 1767, 2581, 2697, 2759, 4959, 5073, 5301, 7743, 8091, 8277, 15219, 17081, 23229, 24831, 49039, 51243, 52421, 80011, 147117, 153729, 157263, 240033, 441351, 471789, 720099, 1520209, 4560627, 13681881]

約数ペア:

[(1, 13681881), (3, 4560627), (9, 1520209), (19, 720099), (29, 471789), (31, 441351), (57, 240033), (87, 157263), (89, 153729), (93, 147117), (171, 80011), (261, 52421), (267, 51243), (279, 49039), (551, 24831), (589, 23229), (801, 17081), (899, 15219), (1653, 8277), (1691, 8091), (1767, 7743), (2581, 5301), (2697, 5073), (2759, 4959)]