51989445

素因数分解:

$3^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{937}}^1$

素因数の和:1091

約数の個数: 40

約数和(自身を含む): 93976344

約数和(自身を除く): 41986899

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 137, 405, 411, 685, 937, 1233, 2055, 2811, 3699, 4685, 6165, 8433, 11097, 14055, 18495, 25299, 42165, 55485, 75897, 126495, 128369, 379485, 385107, 641845, 1155321, 1925535, 3465963, 5776605, 10397889, 17329815, 51989445]

約数ペア:

[(1, 51989445), (3, 17329815), (5, 10397889), (9, 5776605), (15, 3465963), (27, 1925535), (45, 1155321), (81, 641845), (135, 385107), (137, 379485), (405, 128369), (411, 126495), (685, 75897), (937, 55485), (1233, 42165), (2055, 25299), (2811, 18495), (3699, 14055), (4685, 11097), (6165, 8433)]