1277379621

素因数分解:

$3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1\times {\mathrm{499}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 2134080000

約数和(自身を除く): 856700379

約数列:

[1, 3, 7, 9, 21, 63, 179, 227, 499, 537, 681, 1253, 1497, 1589, 1611, 2043, 3493, 3759, 4491, 4767, 10479, 11277, 14301, 31437, 40633, 89321, 113273, 121899, 267963, 284431, 339819, 365697, 625247, 792911, 803889, 853293, 1019457, 1875741, 2378733, 2559879, 5627223, 7136199, 20275867, 60827601, 141931069, 182482803, 425793207, 1277379621]

約数ペア:

[(1, 1277379621), (3, 425793207), (7, 182482803), (9, 141931069), (21, 60827601), (63, 20275867), (179, 7136199), (227, 5627223), (499, 2559879), (537, 2378733), (681, 1875741), (1253, 1019457), (1497, 853293), (1589, 803889), (1611, 792911), (2043, 625247), (3493, 365697), (3759, 339819), (4491, 284431), (4767, 267963), (10479, 121899), (11277, 113273), (14301, 89321), (31437, 40633)]