17782947

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21713}}^1$

素因数の和:21739

約数の個数: 24

約数和(自身を含む): 31615584

約数和(自身を除く): 13832637

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 21713, 65139, 151991, 195417, 282269, 455973, 846807, 1367919, 1975883, 2540421, 5927649, 17782947]

約数ペア:

[(1, 17782947), (3, 5927649), (7, 2540421), (9, 1975883), (13, 1367919), (21, 846807), (39, 455973), (63, 282269), (91, 195417), (117, 151991), (273, 65139), (819, 21713)]