12791313

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:202

約数の個数: 36

約数和(自身を含む): 20287488

約数和(自身を除く): 7496175

約数列:

[1, 3, 9, 19, 31, 57, 93, 127, 171, 279, 361, 381, 589, 1083, 1143, 1767, 2413, 3249, 3937, 5301, 7239, 11191, 11811, 21717, 33573, 35433, 45847, 74803, 100719, 137541, 224409, 412623, 673227, 1421257, 4263771, 12791313]

約数ペア:

[(1, 12791313), (3, 4263771), (9, 1421257), (19, 673227), (31, 412623), (57, 224409), (93, 137541), (127, 100719), (171, 74803), (279, 45847), (361, 35433), (381, 33573), (589, 21717), (1083, 11811), (1143, 11191), (1767, 7239), (2413, 5301), (3249, 3937)]