128515635

素因数分解:

$3^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{4133}}^1$

素因数の和:4835

約数の個数: 24

約数和(自身を含む): 223136784

約数和(自身を除く): 94621149

約数列:

[1, 3, 5, 9, 15, 45, 691, 2073, 3455, 4133, 6219, 10365, 12399, 20665, 31095, 37197, 61995, 185985, 2855903, 8567709, 14279515, 25703127, 42838545, 128515635]

約数ペア:

[(1, 128515635), (3, 42838545), (5, 25703127), (9, 14279515), (15, 8567709), (45, 2855903), (691, 185985), (2073, 61995), (3455, 37197), (4133, 31095), (6219, 20665), (10365, 12399)]