1728222171

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{11909}}^1$

素因数の和:12047

約数の個数: 24

約数和(自身を含む): 2523109680

約数和(自身を除く): 794887509

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 3721, 11163, 11909, 35727, 48373, 145119, 154817, 464451, 726449, 2179347, 9443837, 28331511, 44313389, 132940167, 576074057, 1728222171]

約数ペア:

[(1, 1728222171), (3, 576074057), (13, 132940167), (39, 44313389), (61, 28331511), (183, 9443837), (793, 2179347), (2379, 726449), (3721, 464451), (11163, 154817), (11909, 145119), (35727, 48373)]