2047366821

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{140221}}^1$

素因数の和:140412

約数の個数: 16

約数和(自身を含む): 2835849728

約数和(自身を除く): 788482907

約数列:

[1, 3, 31, 93, 157, 471, 4867, 14601, 140221, 420663, 4346851, 13040553, 22014697, 66044091, 682455607, 2047366821]

約数ペア:

[(1, 2047366821), (3, 682455607), (31, 66044091), (93, 22014697), (157, 13040553), (471, 4346851), (4867, 420663), (14601, 140221)]