801945

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 1415232

約数和(自身を除く): 613287

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 251, 355, 639, 753, 1065, 1255, 2259, 3195, 3765, 11295, 17821, 53463, 89105, 160389, 267315, 801945]

約数ペア:

[(1, 801945), (3, 267315), (5, 160389), (9, 89105), (15, 53463), (45, 17821), (71, 11295), (213, 3765), (251, 3195), (355, 2259), (639, 1255), (753, 1065)]