13291887

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4759}}^1$

素因数の和:4795

約数の個数: 24

約数和(自身を含む): 21705600

約数和(自身を除く): 8413713

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 4759, 14277, 33313, 90421, 99939, 233191, 271263, 632947, 699573, 1898841, 4430629, 13291887]

約数ペア:

[(1, 13291887), (3, 4430629), (7, 1898841), (19, 699573), (21, 632947), (49, 271263), (57, 233191), (133, 99939), (147, 90421), (399, 33313), (931, 14277), (2793, 4759)]