87897173

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1753}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 117868800

約数和(自身を除く): 29971627

約数列:

[1, 7, 13, 19, 29, 91, 133, 203, 247, 377, 551, 1729, 1753, 2639, 3857, 7163, 12271, 22789, 33307, 50141, 50837, 159523, 233149, 355859, 432991, 660881, 965903, 3030937, 4626167, 6761321, 12556739, 87897173]

約数ペア:

[(1, 87897173), (7, 12556739), (13, 6761321), (19, 4626167), (29, 3030937), (91, 965903), (133, 660881), (203, 432991), (247, 355859), (377, 233149), (551, 159523), (1729, 50837), (1753, 50141), (2639, 33307), (3857, 22789), (7163, 12271)]