56821311

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{12911}}^1$

素因数の和:13083

約数の個数: 16

約数和(自身を含む): 84702720

約数和(自身を除く): 27881409

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 12911, 38733, 116199, 348597, 2104493, 6313479, 18940437, 56821311]

約数ペア:

[(1, 56821311), (3, 18940437), (9, 6313479), (27, 2104493), (163, 348597), (489, 116199), (1467, 38733), (4401, 12911)]