25812171

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 50257584

約数和(自身を除く): 24445413

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 49, 51, 63, 77, 99, 119, 147, 153, 187, 231, 313, 357, 441, 539, 561, 693, 833, 939, 1071, 1309, 1617, 1683, 2191, 2499, 2817, 3443, 3927, 4851, 5321, 6573, 7497, 9163, 10329, 11781, 15337, 15963, 19719, 24101, 27489, 30987, 37247, 46011, 47889, 58531, 72303, 82467, 111741, 138033, 168707, 175593, 216909, 260729, 335223, 409717, 506121, 526779, 782187, 1229151, 1518363, 2346561, 2868019, 3687453, 8604057, 25812171]

約数ペア:

[(1, 25812171), (3, 8604057), (7, 3687453), (9, 2868019), (11, 2346561), (17, 1518363), (21, 1229151), (33, 782187), (49, 526779), (51, 506121), (63, 409717), (77, 335223), (99, 260729), (119, 216909), (147, 175593), (153, 168707), (187, 138033), (231, 111741), (313, 82467), (357, 72303), (441, 58531), (539, 47889), (561, 46011), (693, 37247), (833, 30987), (939, 27489), (1071, 24101), (1309, 19719), (1617, 15963), (1683, 15337), (2191, 11781), (2499, 10329), (2817, 9163), (3443, 7497), (3927, 6573), (4851, 5321)]