8161947

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 12231648

約数和(自身を除く): 4069701

約数列:

[1, 3, 9, 53, 71, 159, 213, 241, 477, 639, 723, 2169, 3763, 11289, 12773, 17111, 33867, 38319, 51333, 114957, 153999, 906883, 2720649, 8161947]

約数ペア:

[(1, 8161947), (3, 2720649), (9, 906883), (53, 153999), (71, 114957), (159, 51333), (213, 38319), (241, 33867), (477, 17111), (639, 12773), (723, 11289), (2169, 3763)]