15487869

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 22809600

約数和(自身を除く): 7321731

約数列:

[1, 3, 19, 43, 57, 71, 89, 129, 213, 267, 817, 1349, 1691, 2451, 3053, 3827, 4047, 5073, 6319, 9159, 11481, 18957, 58007, 72713, 120061, 174021, 218139, 271717, 360183, 815151, 5162623, 15487869]

約数ペア:

[(1, 15487869), (3, 5162623), (19, 815151), (43, 360183), (57, 271717), (71, 218139), (89, 174021), (129, 120061), (213, 72713), (267, 58007), (817, 18957), (1349, 11481), (1691, 9159), (2451, 6319), (3053, 5073), (3827, 4047)]