211673493

素因数分解:

$3^4\times {\mathrm{271}}^1\times {\mathrm{9643}}^1$

素因数の和:9926

約数の個数: 20

約数和(自身を含む): 317403328

約数和(自身を除く): 105729835

約数列:

[1, 3, 9, 27, 81, 271, 813, 2439, 7317, 9643, 21951, 28929, 86787, 260361, 781083, 2613253, 7839759, 23519277, 70557831, 211673493]

約数ペア:

[(1, 211673493), (3, 70557831), (9, 23519277), (27, 7839759), (81, 2613253), (271, 781083), (813, 260361), (2439, 86787), (7317, 28929), (9643, 21951)]