64778889

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{829}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 100476480

約数和(自身を除く): 35697591

約数列:

[1, 3, 7, 21, 61, 183, 427, 829, 1281, 2487, 3721, 5803, 11163, 17409, 26047, 50569, 78141, 151707, 353983, 1061949, 3084709, 9254127, 21592963, 64778889]

約数ペア:

[(1, 64778889), (3, 21592963), (7, 9254127), (21, 3084709), (61, 1061949), (183, 353983), (427, 151707), (829, 78141), (1281, 50569), (2487, 26047), (3721, 17409), (5803, 11163)]