78520005

素因数分解:

$3^2\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{1709}}^1$

素因数の和:2741

約数の個数: 24

約数和(自身を含む): 136314360

約数和(自身を除く): 57794355

約数列:

[1, 3, 5, 9, 15, 45, 1021, 1709, 3063, 5105, 5127, 8545, 9189, 15315, 15381, 25635, 45945, 76905, 1744889, 5234667, 8724445, 15704001, 26173335, 78520005]

約数ペア:

[(1, 78520005), (3, 26173335), (5, 15704001), (9, 8724445), (15, 5234667), (45, 1744889), (1021, 76905), (1709, 45945), (3063, 25635), (5105, 15381), (5127, 15315), (8545, 9189)]