55445571

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 88058880

約数和(自身を除く): 32613309

約数列:

[1, 3, 9, 23, 41, 47, 69, 123, 139, 141, 207, 369, 417, 423, 943, 1081, 1251, 1927, 2829, 3197, 3243, 5699, 5781, 6533, 8487, 9591, 9729, 17097, 17343, 19599, 28773, 44321, 51291, 58797, 131077, 132963, 150259, 267853, 393231, 398889, 450777, 803559, 1179693, 1352331, 2410677, 6160619, 18481857, 55445571]

約数ペア:

[(1, 55445571), (3, 18481857), (9, 6160619), (23, 2410677), (41, 1352331), (47, 1179693), (69, 803559), (123, 450777), (139, 398889), (141, 393231), (207, 267853), (369, 150259), (417, 132963), (423, 131077), (943, 58797), (1081, 51291), (1251, 44321), (1927, 28773), (2829, 19599), (3197, 17343), (3243, 17097), (5699, 9729), (5781, 9591), (6533, 8487)]