2990949

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1447}}^1$

素因数の和:1516

約数の個数: 16

約数和(自身を含む): 4378752

約数和(自身を除く): 1387803

約数列:

[1, 3, 13, 39, 53, 159, 689, 1447, 2067, 4341, 18811, 56433, 76691, 230073, 996983, 2990949]

約数ペア:

[(1, 2990949), (3, 996983), (13, 230073), (39, 76691), (53, 56433), (159, 18811), (689, 4341), (1447, 2067)]