168509439

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{15461}}^1$

素因数の和:15647

約数の個数: 24

約数和(自身を含む): 279800352

約数和(自身を除く): 111290913

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1557, 3633, 10899, 15461, 46383, 108227, 139149, 324681, 974043, 2674753, 8024259, 18723271, 24072777, 56169813, 168509439]

約数ペア:

[(1, 168509439), (3, 56169813), (7, 24072777), (9, 18723271), (21, 8024259), (63, 2674753), (173, 974043), (519, 324681), (1211, 139149), (1557, 108227), (3633, 46383), (10899, 15461)]