81749265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3301}}^1$

素因数の和:3449

約数の個数: 32

約数和(自身を含む): 142012416

約数和(自身を除く): 60263151

約数列:

[1, 3, 5, 13, 15, 39, 65, 127, 195, 381, 635, 1651, 1905, 3301, 4953, 8255, 9903, 16505, 24765, 42913, 49515, 128739, 214565, 419227, 643695, 1257681, 2096135, 5449951, 6288405, 16349853, 27249755, 81749265]

約数ペア:

[(1, 81749265), (3, 27249755), (5, 16349853), (13, 6288405), (15, 5449951), (39, 2096135), (65, 1257681), (127, 643695), (195, 419227), (381, 214565), (635, 128739), (1651, 49515), (1905, 42913), (3301, 24765), (4953, 16505), (8255, 9903)]