2991141

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{797}}^1$

素因数の和:945

約数の個数: 16

約数和(自身を含む): 4468800

約数和(自身を除く): 1477659

約数列:

[1, 3, 9, 27, 139, 417, 797, 1251, 2391, 3753, 7173, 21519, 110783, 332349, 997047, 2991141]

約数ペア:

[(1, 2991141), (3, 997047), (9, 332349), (27, 110783), (139, 21519), (417, 7173), (797, 3753), (1251, 2391)]