81220059

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 119340000

約数和(自身を除く): 38119941

約数列:

[1, 3, 9, 101, 199, 303, 449, 597, 909, 1347, 1791, 4041, 20099, 45349, 60297, 89351, 136047, 180891, 268053, 408141, 804159, 9024451, 27073353, 81220059]

約数ペア:

[(1, 81220059), (3, 27073353), (9, 9024451), (101, 804159), (199, 408141), (303, 268053), (449, 180891), (597, 136047), (909, 89351), (1347, 60297), (1791, 45349), (4041, 20099)]