19801416963

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1\times {\mathrm{217457}}^1$

素因数の和:217826

約数の個数: 16

約数和(自身を含む): 26721239040

約数和(自身を除く): 6919822077

約数列:

[1, 3, 127, 239, 381, 717, 30353, 91059, 217457, 652371, 27617039, 51972223, 82851117, 155916669, 6600472321, 19801416963]

約数ペア:

[(1, 19801416963), (3, 6600472321), (127, 155916669), (239, 82851117), (381, 51972223), (717, 27617039), (30353, 652371), (91059, 217457)]