12681585

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 25399296

約数和(自身を除く): 12717711

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 127, 315, 317, 381, 635, 889, 951, 1143, 1585, 1905, 2219, 2667, 2853, 4445, 4755, 5715, 6657, 8001, 11095, 13335, 14265, 19971, 33285, 40005, 40259, 99855, 120777, 201295, 281813, 362331, 603885, 845439, 1409065, 1811655, 2536317, 4227195, 12681585]

約数ペア:

[(1, 12681585), (3, 4227195), (5, 2536317), (7, 1811655), (9, 1409065), (15, 845439), (21, 603885), (35, 362331), (45, 281813), (63, 201295), (105, 120777), (127, 99855), (315, 40259), (317, 40005), (381, 33285), (635, 19971), (889, 14265), (951, 13335), (1143, 11095), (1585, 8001), (1905, 6657), (2219, 5715), (2667, 4755), (2853, 4445)]