64188189

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7727}}^1$

素因数の和:7817

約数の個数: 24

約数和(自身を含む): 101267712

約数和(自身を除く): 37079523

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 7727, 8307, 23181, 69543, 100451, 301353, 548617, 904059, 1645851, 4937553, 7132021, 21396063, 64188189]

約数ペア:

[(1, 64188189), (3, 21396063), (9, 7132021), (13, 4937553), (39, 1645851), (71, 904059), (117, 548617), (213, 301353), (639, 100451), (923, 69543), (2769, 23181), (7727, 8307)]