7978581

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{7577}}^1$

素因数の和:7602

約数の個数: 20

約数和(自身を含む): 12837132

約数和(自身を除く): 4858551

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 7577, 22731, 68193, 98501, 204579, 295503, 613737, 886509, 2659527, 7978581]

約数ペア:

[(1, 7978581), (3, 2659527), (9, 886509), (13, 613737), (27, 295503), (39, 204579), (81, 98501), (117, 68193), (351, 22731), (1053, 7577)]