1881448479

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{155891}}^1$

素因数の和:156052

約数の個数: 20

約数和(自身を含む): 2829439800

約数和(自身を除く): 947991321

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 4023, 12069, 155891, 467673, 1403019, 4209057, 12627171, 23227759, 69683277, 209049831, 627149493, 1881448479]

約数ペア:

[(1, 1881448479), (3, 627149493), (9, 209049831), (27, 69683277), (81, 23227759), (149, 12627171), (447, 4209057), (1341, 1403019), (4023, 467673), (12069, 155891)]