61128221

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{3089}}^1$

素因数の和:3364

約数の個数: 16

約数和(自身を含む): 76533120

約数和(自身を除く): 15404899

約数列:

[1, 7, 11, 77, 257, 1799, 2827, 3089, 19789, 21623, 33979, 237853, 793873, 5557111, 8732603, 61128221]

約数ペア:

[(1, 61128221), (7, 8732603), (11, 5557111), (77, 793873), (257, 237853), (1799, 33979), (2827, 21623), (3089, 19789)]