1091493

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 1790880

約数和(自身を除く): 699387

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 491, 741, 1473, 2223, 4419, 6383, 9329, 19149, 27987, 57447, 83961, 121277, 363831, 1091493]

約数ペア:

[(1, 1091493), (3, 363831), (9, 121277), (13, 83961), (19, 57447), (39, 27987), (57, 19149), (117, 9329), (171, 6383), (247, 4419), (491, 2223), (741, 1473)]