28653105

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 50595840

約数和(自身を除く): 21942735

約数列:

[1, 3, 5, 13, 15, 39, 65, 89, 127, 169, 195, 267, 381, 445, 507, 635, 845, 1157, 1335, 1651, 1905, 2535, 3471, 4953, 5785, 8255, 11303, 15041, 17355, 21463, 24765, 33909, 45123, 56515, 64389, 75205, 107315, 146939, 169545, 225615, 321945, 440817, 734695, 1910207, 2204085, 5730621, 9551035, 28653105]

約数ペア:

[(1, 28653105), (3, 9551035), (5, 5730621), (13, 2204085), (15, 1910207), (39, 734695), (65, 440817), (89, 321945), (127, 225615), (169, 169545), (195, 146939), (267, 107315), (381, 75205), (445, 64389), (507, 56515), (635, 45123), (845, 33909), (1157, 24765), (1335, 21463), (1651, 17355), (1905, 15041), (2535, 11303), (3471, 8255), (4953, 5785)]