3990741

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1396

約数の個数: 16

約数和(自身を含む): 5711040

約数和(自身を除く): 1720299

約数列:

[1, 3, 19, 53, 57, 159, 1007, 1321, 3021, 3963, 25099, 70013, 75297, 210039, 1330247, 3990741]

約数ペア:

[(1, 3990741), (3, 1330247), (19, 210039), (53, 75297), (57, 70013), (159, 25099), (1007, 3963), (1321, 3021)]