2886921

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1270

約数の個数: 20

約数和(自身を含む): 4464900

約数和(自身を除く): 1577979

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 1229, 2349, 3687, 11061, 33183, 35641, 99549, 106923, 320769, 962307, 2886921]

約数ペア:

[(1, 2886921), (3, 962307), (9, 320769), (27, 106923), (29, 99549), (81, 35641), (87, 33183), (261, 11061), (783, 3687), (1229, 2349)]