128515605

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{8663}}^1$

素因数の和:8737

約数の個数: 32

約数和(自身を含む): 219580416

約数和(自身を除く): 91064811

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 2967, 4945, 8663, 14835, 25989, 43315, 129945, 199249, 372509, 597747, 996245, 1117527, 1862545, 2988735, 5587635, 8567707, 25703121, 42838535, 128515605]

約数ペア:

[(1, 128515605), (3, 42838535), (5, 25703121), (15, 8567707), (23, 5587635), (43, 2988735), (69, 1862545), (115, 1117527), (129, 996245), (215, 597747), (345, 372509), (645, 199249), (989, 129945), (2967, 43315), (4945, 25989), (8663, 14835)]