2884491

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:400

約数の個数: 20

約数和(自身を含む): 4356000

約数和(自身を除く): 1471509

約数列:

[1, 3, 9, 27, 81, 149, 239, 447, 717, 1341, 2151, 4023, 6453, 12069, 19359, 35611, 106833, 320499, 961497, 2884491]

約数ペア:

[(1, 2884491), (3, 961497), (9, 320499), (27, 106833), (81, 35611), (149, 19359), (239, 12069), (447, 6453), (717, 4023), (1341, 2151)]