87781239

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11909}}^1$

素因数の和:11941

約数の個数: 40

約数和(自身を含む): 161404320

約数和(自身を除く): 73623081

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 11909, 35727, 83363, 107181, 154817, 250089, 321543, 464451, 750267, 964629, 1083719, 1393353, 2250801, 3251157, 4180059, 6752403, 9753471, 12540177, 29260413, 87781239]

約数ペア:

[(1, 87781239), (3, 29260413), (7, 12540177), (9, 9753471), (13, 6752403), (21, 4180059), (27, 3251157), (39, 2250801), (63, 1393353), (81, 1083719), (91, 964629), (117, 750267), (189, 464451), (273, 321543), (351, 250089), (567, 154817), (819, 107181), (1053, 83363), (2457, 35727), (7371, 11909)]