42207867

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5081}}^1$

素因数の和:5171

約数の個数: 24

約数和(自身を含む): 66594528

約数和(自身を除く): 24386661

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 5081, 8307, 15243, 45729, 66053, 198159, 360751, 594477, 1082253, 3246759, 4689763, 14069289, 42207867]

約数ペア:

[(1, 42207867), (3, 14069289), (9, 4689763), (13, 3246759), (39, 1082253), (71, 594477), (117, 360751), (213, 198159), (639, 66053), (923, 45729), (2769, 15243), (5081, 8307)]