207980406

素因数分解:

$2^1\times 3^3\times {\mathrm{389}}^1\times {\mathrm{9901}}^1$

素因数の和:10301

約数の個数: 32

約数和(自身を含む): 463413600

約数和(自身を除く): 255433194

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 389, 778, 1167, 2334, 3501, 7002, 9901, 10503, 19802, 21006, 29703, 59406, 89109, 178218, 267327, 534654, 3851489, 7702978, 11554467, 23108934, 34663401, 69326802, 103990203, 207980406]

約数ペア:

[(1, 207980406), (2, 103990203), (3, 69326802), (6, 34663401), (9, 23108934), (18, 11554467), (27, 7702978), (54, 3851489), (389, 534654), (778, 267327), (1167, 178218), (2334, 89109), (3501, 59406), (7002, 29703), (9901, 21006), (10503, 19802)]