18183081

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 30886272

約数和(自身を除く): 12703191

約数列:

[1, 3, 7, 17, 21, 31, 51, 53, 93, 119, 159, 217, 357, 371, 527, 651, 901, 961, 1113, 1581, 1643, 2703, 2883, 3689, 4929, 6307, 6727, 11067, 11501, 16337, 18921, 20181, 27931, 34503, 49011, 50933, 83793, 114359, 152799, 195517, 343077, 356531, 586551, 865861, 1069593, 2597583, 6061027, 18183081]

約数ペア:

[(1, 18183081), (3, 6061027), (7, 2597583), (17, 1069593), (21, 865861), (31, 586551), (51, 356531), (53, 343077), (93, 195517), (119, 152799), (159, 114359), (217, 83793), (357, 50933), (371, 49011), (527, 34503), (651, 27931), (901, 20181), (961, 18921), (1113, 16337), (1581, 11501), (1643, 11067), (2703, 6727), (2883, 6307), (3689, 4929)]