168289947

素因数分解:

$3^3\times 7^1\times {\mathrm{857}}^1\times {\mathrm{1039}}^1$

素因数の和:1912

約数の個数: 32

約数和(自身を含む): 285542400

約数和(自身を除く): 117252453

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 857, 1039, 2571, 3117, 5999, 7273, 7713, 9351, 17997, 21819, 23139, 28053, 53991, 65457, 161973, 196371, 890423, 2671269, 6232961, 8013807, 18698883, 24041421, 56096649, 168289947]

約数ペア:

[(1, 168289947), (3, 56096649), (7, 24041421), (9, 18698883), (21, 8013807), (27, 6232961), (63, 2671269), (189, 890423), (857, 196371), (1039, 161973), (2571, 65457), (3117, 53991), (5999, 28053), (7273, 23139), (7713, 21819), (9351, 17997)]