16517949

素因数分解:

$3^1\times 7^2\times {\mathrm{313}}^1\times {\mathrm{359}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 25773120

約数和(自身を除く): 9255171

約数列:

[1, 3, 7, 21, 49, 147, 313, 359, 939, 1077, 2191, 2513, 6573, 7539, 15337, 17591, 46011, 52773, 112367, 337101, 786569, 2359707, 5505983, 16517949]

約数ペア:

[(1, 16517949), (3, 5505983), (7, 2359707), (21, 786569), (49, 337101), (147, 112367), (313, 52773), (359, 46011), (939, 17591), (1077, 15337), (2191, 7539), (2513, 6573)]