71971917

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{2729}}^1$

素因数の和:2940

約数の個数: 16

約数和(自身を含む): 98280000

約数和(自身を除く): 26308083

約数列:

[1, 3, 59, 149, 177, 447, 2729, 8187, 8791, 26373, 161011, 406621, 483033, 1219863, 23990639, 71971917]

約数ペア:

[(1, 71971917), (3, 23990639), (59, 1219863), (149, 483033), (177, 406621), (447, 161011), (2729, 26373), (8187, 8791)]