30491811

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 52609024

約数和(自身を除く): 22117213

約数列:

[1, 3, 7, 9, 21, 37, 63, 103, 111, 127, 259, 309, 333, 381, 721, 777, 889, 927, 1143, 2163, 2331, 2667, 3811, 4699, 6489, 8001, 11433, 13081, 14097, 26677, 32893, 34299, 39243, 42291, 80031, 91567, 98679, 117729, 240093, 274701, 296037, 483997, 824103, 1451991, 3387979, 4355973, 10163937, 30491811]

約数ペア:

[(1, 30491811), (3, 10163937), (7, 4355973), (9, 3387979), (21, 1451991), (37, 824103), (63, 483997), (103, 296037), (111, 274701), (127, 240093), (259, 117729), (309, 98679), (333, 91567), (381, 80031), (721, 42291), (777, 39243), (889, 34299), (927, 32893), (1143, 26677), (2163, 14097), (2331, 13081), (2667, 11433), (3811, 8001), (4699, 6489)]