205411023

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{521}}^1\times {\mathrm{617}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 301949856

約数和(自身を除く): 96538833

約数列:

[1, 3, 9, 71, 213, 521, 617, 639, 1563, 1851, 4689, 5553, 36991, 43807, 110973, 131421, 321457, 332919, 394263, 964371, 2893113, 22823447, 68470341, 205411023]

約数ペア:

[(1, 205411023), (3, 68470341), (9, 22823447), (71, 2893113), (213, 964371), (521, 394263), (617, 332919), (639, 321457), (1563, 131421), (1851, 110973), (4689, 43807), (5553, 36991)]