12907899

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 19648512

約数和(自身を除く): 6740613

約数列:

[1, 3, 9, 23, 69, 127, 207, 381, 491, 1143, 1473, 2921, 4419, 8763, 11293, 26289, 33879, 62357, 101637, 187071, 561213, 1434211, 4302633, 12907899]

約数ペア:

[(1, 12907899), (3, 4302633), (9, 1434211), (23, 561213), (69, 187071), (127, 101637), (207, 62357), (381, 33879), (491, 26289), (1143, 11293), (1473, 8763), (2921, 4419)]