72265557

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8539}}^1$

素因数の和:8593

約数の個数: 32

約数和(自身を含む): 122429440

約数和(自身を除く): 50163883

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 8463, 8539, 25617, 59773, 111007, 179319, 264709, 333021, 777049, 794127, 1852963, 2331147, 3441217, 5558889, 10323651, 24088519, 72265557]

約数ペア:

[(1, 72265557), (3, 24088519), (7, 10323651), (13, 5558889), (21, 3441217), (31, 2331147), (39, 1852963), (91, 794127), (93, 777049), (217, 333021), (273, 264709), (403, 179319), (651, 111007), (1209, 59773), (2821, 25617), (8463, 8539)]