7842447

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{4091}}^1$

素因数の和:4171

約数の個数: 16

約数和(自身を含む): 11784960

約数和(自身を除く): 3942513

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 4091, 12273, 36819, 110457, 290461, 871383, 2614149, 7842447]

約数ペア:

[(1, 7842447), (3, 2614149), (9, 871383), (27, 290461), (71, 110457), (213, 36819), (639, 12273), (1917, 4091)]