25917945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 46884096

約数和(自身を除く): 20966151

約数列:

[1, 3, 5, 15, 17, 37, 41, 51, 67, 85, 111, 123, 185, 201, 205, 255, 335, 555, 615, 629, 697, 1005, 1139, 1517, 1887, 2091, 2479, 2747, 3145, 3417, 3485, 4551, 5695, 7437, 7585, 8241, 9435, 10455, 12395, 13735, 17085, 22755, 25789, 37185, 41205, 42143, 46699, 77367, 101639, 126429, 128945, 140097, 210715, 233495, 304917, 386835, 508195, 632145, 700485, 1524585, 1727863, 5183589, 8639315, 25917945]

約数ペア:

[(1, 25917945), (3, 8639315), (5, 5183589), (15, 1727863), (17, 1524585), (37, 700485), (41, 632145), (51, 508195), (67, 386835), (85, 304917), (111, 233495), (123, 210715), (185, 140097), (201, 128945), (205, 126429), (255, 101639), (335, 77367), (555, 46699), (615, 42143), (629, 41205), (697, 37185), (1005, 25789), (1139, 22755), (1517, 17085), (1887, 13735), (2091, 12395), (2479, 10455), (2747, 9435), (3145, 8241), (3417, 7585), (3485, 7437), (4551, 5695)]