64201905

素因数分解:

$3^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1721}}^1$

素因数の和:2561

約数の個数: 24

約数和(自身を含む): 111482280

約数和(自身を除く): 47280375

約数列:

[1, 3, 5, 9, 15, 45, 829, 1721, 2487, 4145, 5163, 7461, 8605, 12435, 15489, 25815, 37305, 77445, 1426709, 4280127, 7133545, 12840381, 21400635, 64201905]

約数ペア:

[(1, 64201905), (3, 21400635), (5, 12840381), (9, 7133545), (15, 4280127), (45, 1426709), (829, 77445), (1721, 37305), (2487, 25815), (4145, 15489), (5163, 12435), (7461, 8605)]