77899245

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1447}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 129416448

約数和(自身を除く): 51517203

約数列:

[1, 3, 5, 15, 37, 97, 111, 185, 291, 485, 555, 1447, 1455, 3589, 4341, 7235, 10767, 17945, 21705, 53539, 53835, 140359, 160617, 267695, 421077, 701795, 803085, 2105385, 5193283, 15579849, 25966415, 77899245]

約数ペア:

[(1, 77899245), (3, 25966415), (5, 15579849), (15, 5193283), (37, 2105385), (97, 803085), (111, 701795), (185, 421077), (291, 267695), (485, 160617), (555, 140359), (1447, 53835), (1455, 53539), (3589, 21705), (4341, 17945), (7235, 10767)]