2587653

素因数分解:

$3^3\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:649

約数の個数: 16

約数和(自身を含む): 3859200

約数和(自身を除く): 1271547

約数列:

[1, 3, 9, 27, 239, 401, 717, 1203, 2151, 3609, 6453, 10827, 95839, 287517, 862551, 2587653]

約数ペア:

[(1, 2587653), (3, 862551), (9, 287517), (27, 95839), (239, 10827), (401, 6453), (717, 3609), (1203, 2151)]