31191818133

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1983077}}^1$

素因数の和:1983201

約数の個数: 24

約数和(自身を含む): 48831312672

約数和(自身を除く): 17639494539

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 2247, 5243, 15729, 1983077, 5949231, 13881539, 41644617, 97170773, 212189239, 291512319, 636567717, 1485324673, 4455974019, 10397272711, 31191818133]

約数ペア:

[(1, 31191818133), (3, 10397272711), (7, 4455974019), (21, 1485324673), (49, 636567717), (107, 291512319), (147, 212189239), (321, 97170773), (749, 41644617), (2247, 13881539), (5243, 5949231), (15729, 1983077)]