17240445

素因数分解:

$3^4\times 5^1\times {\mathrm{42569}}^1$

素因数の和:42586

約数の個数: 20

約数和(自身を含む): 30905820

約数和(自身を除く): 13665375

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 42569, 127707, 212845, 383121, 638535, 1149363, 1915605, 3448089, 5746815, 17240445]

約数ペア:

[(1, 17240445), (3, 5746815), (5, 3448089), (9, 1915605), (15, 1149363), (27, 638535), (45, 383121), (81, 212845), (135, 127707), (405, 42569)]