39959001

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:315

約数の個数: 40

約数和(自身を含む): 62532800

約数和(自身を除く): 22573799

約数列:

[1, 3, 9, 27, 37, 67, 81, 111, 199, 201, 333, 597, 603, 999, 1791, 1809, 2479, 2997, 5373, 5427, 7363, 7437, 13333, 16119, 22089, 22311, 39999, 66267, 66933, 119997, 198801, 200799, 359991, 493321, 596403, 1079973, 1479963, 4439889, 13319667, 39959001]

約数ペア:

[(1, 39959001), (3, 13319667), (9, 4439889), (27, 1479963), (37, 1079973), (67, 596403), (81, 493321), (111, 359991), (199, 200799), (201, 198801), (333, 119997), (597, 66933), (603, 66267), (999, 39999), (1791, 22311), (1809, 22089), (2479, 16119), (2997, 13333), (5373, 7437), (5427, 7363)]