81322191

素因数分解:

$3^3\times {\mathrm{197}}^1\times {\mathrm{15289}}^1$

素因数の和:15495

約数の個数: 16

約数和(自身を含む): 121096800

約数和(自身を除く): 39774609

約数列:

[1, 3, 9, 27, 197, 591, 1773, 5319, 15289, 45867, 137601, 412803, 3011933, 9035799, 27107397, 81322191]

約数ペア:

[(1, 81322191), (3, 27107397), (9, 9035799), (27, 3011933), (197, 412803), (591, 137601), (1773, 45867), (5319, 15289)]