12556557

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 21228480

約数和(自身を除く): 8671923

約数列:

[1, 3, 9, 13, 17, 39, 51, 59, 107, 117, 153, 177, 221, 321, 531, 663, 767, 963, 1003, 1391, 1819, 1989, 2301, 3009, 4173, 5457, 6313, 6903, 9027, 12519, 13039, 16371, 18939, 23647, 39117, 56817, 70941, 82069, 107321, 117351, 212823, 246207, 321963, 738621, 965889, 1395173, 4185519, 12556557]

約数ペア:

[(1, 12556557), (3, 4185519), (9, 1395173), (13, 965889), (17, 738621), (39, 321963), (51, 246207), (59, 212823), (107, 117351), (117, 107321), (153, 82069), (177, 70941), (221, 56817), (321, 39117), (531, 23647), (663, 18939), (767, 16371), (963, 13039), (1003, 12519), (1391, 9027), (1819, 6903), (1989, 6313), (2301, 5457), (3009, 4173)]