40195827

素因数分解:

$3^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 70200000

約数和(自身を除く): 30004173

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 343, 441, 449, 609, 1029, 1347, 1421, 1827, 3087, 3143, 4041, 4263, 9429, 9947, 12789, 13021, 22001, 28287, 29841, 39063, 66003, 89523, 91147, 117189, 154007, 198009, 273441, 462021, 638029, 820323, 1386063, 1914087, 4466203, 5742261, 13398609, 40195827]

約数ペア:

[(1, 40195827), (3, 13398609), (7, 5742261), (9, 4466203), (21, 1914087), (29, 1386063), (49, 820323), (63, 638029), (87, 462021), (147, 273441), (203, 198009), (261, 154007), (343, 117189), (441, 91147), (449, 89523), (609, 66003), (1029, 39063), (1347, 29841), (1421, 28287), (1827, 22001), (3087, 13021), (3143, 12789), (4041, 9947), (4263, 9429)]