47774493

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21491}}^1$

素因数の和:21529

約数の個数: 24

約数和(自身を含む): 78230880

約数和(自身を除く): 30456387

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 21491, 64473, 193419, 279383, 408329, 838149, 1224987, 2514447, 3674961, 5308277, 15924831, 47774493]

約数ペア:

[(1, 47774493), (3, 15924831), (9, 5308277), (13, 3674961), (19, 2514447), (39, 1224987), (57, 838149), (117, 408329), (171, 279383), (247, 193419), (741, 64473), (2223, 21491)]