25499439

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 46163520

約数和(自身を除く): 20664081

約数列:

[1, 3, 7, 9, 17, 21, 29, 51, 63, 87, 119, 153, 203, 261, 357, 493, 609, 821, 1071, 1479, 1827, 2463, 3451, 4437, 5747, 7389, 10353, 13957, 17241, 23809, 31059, 41871, 51723, 71427, 97699, 125613, 166663, 214281, 293097, 404753, 499989, 879291, 1214259, 1499967, 2833271, 3642777, 8499813, 25499439]

約数ペア:

[(1, 25499439), (3, 8499813), (7, 3642777), (9, 2833271), (17, 1499967), (21, 1214259), (29, 879291), (51, 499989), (63, 404753), (87, 293097), (119, 214281), (153, 166663), (203, 125613), (261, 97699), (357, 71427), (493, 51723), (609, 41871), (821, 31059), (1071, 23809), (1479, 17241), (1827, 13957), (2463, 10353), (3451, 7389), (4437, 5747)]