80723745

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{17761}}^1$

素因数の和:17873

約数の個数: 24

約数和(自身を含む): 141314472

約数和(自身を除く): 60590727

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 4545, 17761, 53283, 88805, 159849, 266415, 799245, 1793861, 5381583, 8969305, 16144749, 26907915, 80723745]

約数ペア:

[(1, 80723745), (3, 26907915), (5, 16144749), (9, 8969305), (15, 5381583), (45, 1793861), (101, 799245), (303, 266415), (505, 159849), (909, 88805), (1515, 53283), (4545, 17761)]