13777905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 23701248

約数和(自身を除く): 9923343

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 761, 1065, 1207, 2283, 3621, 3805, 6035, 11415, 12937, 18105, 38811, 54031, 64685, 162093, 194055, 270155, 810465, 918527, 2755581, 4592635, 13777905]

約数ペア:

[(1, 13777905), (3, 4592635), (5, 2755581), (15, 918527), (17, 810465), (51, 270155), (71, 194055), (85, 162093), (213, 64685), (255, 54031), (355, 38811), (761, 18105), (1065, 12937), (1207, 11415), (2283, 6035), (3621, 3805)]