27228509

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 37997568

約数和(自身を除く): 10769059

約数列:

[1, 7, 11, 17, 31, 61, 77, 119, 121, 187, 217, 341, 427, 527, 671, 847, 1037, 1309, 1891, 2057, 2387, 3689, 3751, 4697, 5797, 7259, 7381, 11407, 13237, 14399, 20801, 26257, 32147, 40579, 51667, 63767, 79849, 125477, 145607, 225029, 228811, 353617, 446369, 878339, 1601677, 2475319, 3889787, 27228509]

約数ペア:

[(1, 27228509), (7, 3889787), (11, 2475319), (17, 1601677), (31, 878339), (61, 446369), (77, 353617), (119, 228811), (121, 225029), (187, 145607), (217, 125477), (341, 79849), (427, 63767), (527, 51667), (671, 40579), (847, 32147), (1037, 26257), (1309, 20801), (1891, 14399), (2057, 13237), (2387, 11407), (3689, 7381), (3751, 7259), (4697, 5797)]