27805455

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1913}}^1$

素因数の和:1960

約数の個数: 48

約数和(自身を含む): 53745120

約数和(自身を除く): 25939665

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 323, 765, 855, 969, 1615, 1913, 2907, 4845, 5739, 9565, 14535, 17217, 28695, 32521, 36347, 86085, 97563, 109041, 162605, 181735, 292689, 327123, 487815, 545205, 617899, 1463445, 1635615, 1853697, 3089495, 5561091, 9268485, 27805455]

約数ペア:

[(1, 27805455), (3, 9268485), (5, 5561091), (9, 3089495), (15, 1853697), (17, 1635615), (19, 1463445), (45, 617899), (51, 545205), (57, 487815), (85, 327123), (95, 292689), (153, 181735), (171, 162605), (255, 109041), (285, 97563), (323, 86085), (765, 36347), (855, 32521), (969, 28695), (1615, 17217), (1913, 14535), (2907, 9565), (4845, 5739)]