16722693

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{15881}}^1$

素因数の和:15906

約数の個数: 20

約数和(自身を含む): 26904108

約数和(自身を除く): 10181415

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 15881, 47643, 142929, 206453, 428787, 619359, 1286361, 1858077, 5574231, 16722693]

約数ペア:

[(1, 16722693), (3, 5574231), (9, 1858077), (13, 1286361), (27, 619359), (39, 428787), (81, 206453), (117, 142929), (351, 47643), (1053, 15881)]