168238215

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{18061}}^1$

素因数の和:18101

約数の個数: 40

約数和(自身を含む): 314712288

約数和(自身を除く): 146474073

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 9315, 18061, 54183, 90305, 162549, 270915, 415403, 487647, 812745, 1246209, 1462941, 2077015, 2438235, 3738627, 6231045, 7314705, 11215881, 18693135, 33647643, 56079405, 168238215]

約数ペア:

[(1, 168238215), (3, 56079405), (5, 33647643), (9, 18693135), (15, 11215881), (23, 7314705), (27, 6231045), (45, 3738627), (69, 2438235), (81, 2077015), (115, 1462941), (135, 1246209), (207, 812745), (345, 487647), (405, 415403), (621, 270915), (1035, 162549), (1863, 90305), (3105, 54183), (9315, 18061)]