25585497

素因数分解:

$3^3\times 7^2\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 19230183

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 83, 147, 189, 233, 249, 441, 581, 699, 747, 1323, 1631, 1743, 2097, 2241, 4067, 4893, 5229, 6291, 11417, 12201, 14679, 15687, 19339, 34251, 36603, 44037, 58017, 102753, 109809, 135373, 174051, 308259, 406119, 522153, 947611, 1218357, 2842833, 3655071, 8528499, 25585497]

約数ペア:

[(1, 25585497), (3, 8528499), (7, 3655071), (9, 2842833), (21, 1218357), (27, 947611), (49, 522153), (63, 406119), (83, 308259), (147, 174051), (189, 135373), (233, 109809), (249, 102753), (441, 58017), (581, 44037), (699, 36603), (747, 34251), (1323, 19339), (1631, 15687), (1743, 14679), (2097, 12201), (2241, 11417), (4067, 6291), (4893, 5229)]