217619619

素因数分解:

$3^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{15307}}^1$

素因数の和:15994

約数の個数: 16

約数和(自身を含む): 332122368

約数和(自身を除く): 114502749

約数列:

[1, 3, 7, 21, 677, 2031, 4739, 14217, 15307, 45921, 107149, 321447, 10362839, 31088517, 72539873, 217619619]

約数ペア:

[(1, 217619619), (3, 72539873), (7, 31088517), (21, 10362839), (677, 321447), (2031, 107149), (4739, 45921), (14217, 15307)]