2912121988971

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{281381}}^1$

素因数の和:281696

約数の個数: 48

約数和(自身を含む): 4263612616800

約数和(自身を除く): 1351490627829

約数列:

[1, 3, 13, 39, 137, 149, 169, 411, 447, 507, 1781, 1937, 5343, 5811, 20413, 23153, 25181, 61239, 69459, 75543, 265369, 281381, 796107, 844143, 3449797, 3657953, 10349391, 10973859, 38549197, 41925769, 47553389, 115647591, 125777307, 142660167, 501139561, 545034997, 1503418683, 1635104991, 5743830353, 6514814293, 7085454961, 17231491059, 19544442879, 21256364883, 74669794589, 224009383767, 970707329657, 2912121988971]

約数ペア:

[(1, 2912121988971), (3, 970707329657), (13, 224009383767), (39, 74669794589), (137, 21256364883), (149, 19544442879), (169, 17231491059), (411, 7085454961), (447, 6514814293), (507, 5743830353), (1781, 1635104991), (1937, 1503418683), (5343, 545034997), (5811, 501139561), (20413, 142660167), (23153, 125777307), (25181, 115647591), (61239, 47553389), (69459, 41925769), (75543, 38549197), (265369, 10973859), (281381, 10349391), (796107, 3657953), (844143, 3449797)]