81115111

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{4099}}^1$

素因数の和:4374

約数の個数: 16

約数和(自身を含む): 101548800

約数和(自身を除く): 20433689

約数列:

[1, 7, 11, 77, 257, 1799, 2827, 4099, 19789, 28693, 45089, 315623, 1053443, 7374101, 11587873, 81115111]

約数ペア:

[(1, 81115111), (7, 11587873), (11, 7374101), (77, 1053443), (257, 315623), (1799, 45089), (2827, 28693), (4099, 19789)]