163921681

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{2593}}^1$

素因数の和:3432

約数の個数: 16

約数和(自身を含む): 204697728

約数和(自身を除く): 40776047

約数列:

[1, 7, 11, 77, 821, 2593, 5747, 9031, 18151, 28523, 63217, 199661, 2128853, 14901971, 23417383, 163921681]

約数ペア:

[(1, 163921681), (7, 23417383), (11, 14901971), (77, 2128853), (821, 199661), (2593, 63217), (5747, 28523), (9031, 18151)]