173660019

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1789}}^1$

素因数の和:1955

約数の個数: 32

約数和(自身を含む): 264633600

約数和(自身を除く): 90973581

約数列:

[1, 3, 13, 19, 39, 57, 131, 247, 393, 741, 1703, 1789, 2489, 5109, 5367, 7467, 23257, 32357, 33991, 69771, 97071, 101973, 234359, 441883, 703077, 1325649, 3046667, 4452821, 9140001, 13358463, 57886673, 173660019]

約数ペア:

[(1, 173660019), (3, 57886673), (13, 13358463), (19, 9140001), (39, 4452821), (57, 3046667), (131, 1325649), (247, 703077), (393, 441883), (741, 234359), (1703, 101973), (1789, 97071), (2489, 69771), (5109, 33991), (5367, 32357), (7467, 23257)]