81395835

素因数分解:

$3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{8387}}^1$

素因数の和:9042

約数の個数: 16

約数和(自身を含む): 130450176

約数和(自身を除く): 49054341

約数列:

[1, 3, 5, 15, 647, 1941, 3235, 8387, 9705, 25161, 41935, 125805, 5426389, 16279167, 27131945, 81395835]

約数ペア:

[(1, 81395835), (3, 27131945), (5, 16279167), (15, 5426389), (647, 125805), (1941, 41935), (3235, 25161), (8387, 9705)]