266985189

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{223}}^1\times {\mathrm{971}}^1$

素因数の和:1337

約数の個数: 24

約数和(自身を含む): 390604032

約数和(自身を除く): 123618843

約数列:

[1, 3, 9, 137, 223, 411, 669, 971, 1233, 2007, 2913, 8739, 30551, 91653, 133027, 216533, 274959, 399081, 649599, 1197243, 1948797, 29665021, 88995063, 266985189]

約数ペア:

[(1, 266985189), (3, 88995063), (9, 29665021), (137, 1948797), (223, 1197243), (411, 649599), (669, 399081), (971, 274959), (1233, 216533), (2007, 133027), (2913, 91653), (8739, 30551)]