168181521

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{21227}}^1$

素因数の和:21388

約数の個数: 16

約数和(自身を含む): 237753600

約数和(自身を除く): 69572079

約数列:

[1, 3, 19, 57, 139, 417, 2641, 7923, 21227, 63681, 403313, 1209939, 2950553, 8851659, 56060507, 168181521]

約数ペア:

[(1, 168181521), (3, 56060507), (19, 8851659), (57, 2950553), (139, 1209939), (417, 403313), (2641, 63681), (7923, 21227)]