51981735

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2099}}^1$

素因数の和:2247

約数の個数: 32

約数和(自身を含む): 90316800

約数和(自身を除く): 38335065

約数列:

[1, 3, 5, 13, 15, 39, 65, 127, 195, 381, 635, 1651, 1905, 2099, 4953, 6297, 8255, 10495, 24765, 27287, 31485, 81861, 136435, 266573, 409305, 799719, 1332865, 3465449, 3998595, 10396347, 17327245, 51981735]

約数ペア:

[(1, 51981735), (3, 17327245), (5, 10396347), (13, 3998595), (15, 3465449), (39, 1332865), (65, 799719), (127, 409305), (195, 266573), (381, 136435), (635, 81861), (1651, 31485), (1905, 27287), (2099, 24765), (4953, 10495), (6297, 8255)]