81404649

素因数分解:

$3^3\times {\mathrm{317}}^1\times {\mathrm{9511}}^1$

素因数の和:9837

約数の個数: 16

約数和(自身を含む): 120992640

約数和(自身を除く): 39587991

約数列:

[1, 3, 9, 27, 317, 951, 2853, 8559, 9511, 28533, 85599, 256797, 3014987, 9044961, 27134883, 81404649]

約数ペア:

[(1, 81404649), (3, 27134883), (9, 9044961), (27, 3014987), (317, 256797), (951, 85599), (2853, 28533), (8559, 9511)]