217872717

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{601}}^1\times {\mathrm{811}}^1$

素因数の和:1564

約数の個数: 16

約数和(自身を含む): 293294400

約数和(自身を除く): 75421683

約数列:

[1, 3, 149, 447, 601, 811, 1803, 2433, 89549, 120839, 268647, 362517, 487411, 1462233, 72624239, 217872717]

約数ペア:

[(1, 217872717), (3, 72624239), (149, 1462233), (447, 487411), (601, 362517), (811, 268647), (1803, 120839), (2433, 89549)]