16205679

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3623}}^1$

素因数の和:3707

約数の個数: 24

約数和(自身を含む): 27136512

約数和(自身を除く): 10930833

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 3623, 4473, 10869, 25361, 32607, 76083, 228249, 257233, 771699, 1800631, 2315097, 5401893, 16205679]

約数ペア:

[(1, 16205679), (3, 5401893), (7, 2315097), (9, 1800631), (21, 771699), (63, 257233), (71, 228249), (213, 76083), (497, 32607), (639, 25361), (1491, 10869), (3623, 4473)]