78628563

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:953

約数の個数: 40

約数和(自身を含む): 128066400

約数和(自身を除く): 49437837

約数列:

[1, 3, 9, 13, 27, 39, 81, 89, 117, 267, 351, 801, 839, 1053, 1157, 2403, 2517, 3471, 7209, 7551, 10413, 10907, 22653, 31239, 32721, 67959, 74671, 93717, 98163, 224013, 294489, 672039, 883467, 970723, 2016117, 2912169, 6048351, 8736507, 26209521, 78628563]

約数ペア:

[(1, 78628563), (3, 26209521), (9, 8736507), (13, 6048351), (27, 2912169), (39, 2016117), (81, 970723), (89, 883467), (117, 672039), (267, 294489), (351, 224013), (801, 98163), (839, 93717), (1053, 74671), (1157, 67959), (2403, 32721), (2517, 31239), (3471, 22653), (7209, 10907), (7551, 10413)]