53961985

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20023}}^1$

素因数の和:20053

約数の個数: 24

約数和(自身を含む): 82178496

約数和(自身を除く): 28216511

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 20023, 100115, 140161, 220253, 700805, 981127, 1101265, 1541771, 4905635, 7708855, 10792397, 53961985]

約数ペア:

[(1, 53961985), (5, 10792397), (7, 7708855), (11, 4905635), (35, 1541771), (49, 1101265), (55, 981127), (77, 700805), (245, 220253), (385, 140161), (539, 100115), (2695, 20023)]