13173363

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{991}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 21871616

約数和(自身を除く): 8698253

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 991, 1477, 1899, 2973, 4431, 6937, 8919, 13293, 20811, 62433, 209101, 627303, 1463707, 1881909, 4391121, 13173363]

約数ペア:

[(1, 13173363), (3, 4391121), (7, 1881909), (9, 1463707), (21, 627303), (63, 209101), (211, 62433), (633, 20811), (991, 13293), (1477, 8919), (1899, 6937), (2973, 4431)]