53906489

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 69543936

約数和(自身を除く): 15637447

約数列:

[1, 7, 13, 31, 91, 97, 197, 217, 403, 679, 1261, 1379, 2561, 2821, 3007, 6107, 8827, 17927, 19109, 21049, 39091, 42749, 79391, 133763, 248417, 273637, 555737, 592379, 1738919, 4146653, 7700927, 53906489]

約数ペア:

[(1, 53906489), (7, 7700927), (13, 4146653), (31, 1738919), (91, 592379), (97, 555737), (197, 273637), (217, 248417), (403, 133763), (679, 79391), (1261, 42749), (1379, 39091), (2561, 21049), (2821, 19109), (3007, 17927), (6107, 8827)]