56821947

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{208139}}^1$

素因数の和:208162

約数の個数: 16

約数和(自身を含む): 93246720

約数和(自身を除く): 36424773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 208139, 624417, 1456973, 2705807, 4370919, 8117421, 18940649, 56821947]

約数ペア:

[(1, 56821947), (3, 18940649), (7, 8117421), (13, 4370919), (21, 2705807), (39, 1456973), (91, 624417), (273, 208139)]