64597905

素因数分解:

$3^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{673}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 117761280

約数和(自身を除く): 53163375

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 243, 395, 405, 673, 711, 1185, 1215, 2019, 2133, 3365, 3555, 6057, 6399, 10095, 10665, 18171, 19197, 30285, 31995, 53167, 54513, 90855, 95985, 159501, 163539, 265835, 272565, 478503, 797505, 817695, 1435509, 2392515, 4306527, 7177545, 12919581, 21532635, 64597905]

約数ペア:

[(1, 64597905), (3, 21532635), (5, 12919581), (9, 7177545), (15, 4306527), (27, 2392515), (45, 1435509), (79, 817695), (81, 797505), (135, 478503), (237, 272565), (243, 265835), (395, 163539), (405, 159501), (673, 95985), (711, 90855), (1185, 54513), (1215, 53167), (2019, 31995), (2133, 30285), (3365, 19197), (3555, 18171), (6057, 10665), (6399, 10095)]