40720563

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{38671}}^1$

素因数の和:38696

約数の個数: 20

約数和(自身を含む): 65510368

約数和(自身を除く): 24789805

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 38671, 116013, 348039, 502723, 1044117, 1508169, 3132351, 4524507, 13573521, 40720563]

約数ペア:

[(1, 40720563), (3, 13573521), (9, 4524507), (13, 3132351), (27, 1508169), (39, 1044117), (81, 502723), (117, 348039), (351, 116013), (1053, 38671)]