127642249

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{1997}}^1$

素因数の和:2424

約数の個数: 16

約数和(自身を含む): 152679168

約数和(自身を除く): 25036919

約数列:

[1, 7, 23, 161, 397, 1997, 2779, 9131, 13979, 45931, 63917, 321517, 792809, 5549663, 18234607, 127642249]

約数ペア:

[(1, 127642249), (7, 18234607), (23, 5549663), (161, 792809), (397, 321517), (1997, 63917), (2779, 45931), (9131, 13979)]