189979917

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{22369}}^1$

素因数の和:22540

約数の個数: 16

約数和(自身を含む): 268440000

約数和(自身を除く): 78460083

約数列:

[1, 3, 19, 57, 149, 447, 2831, 8493, 22369, 67107, 425011, 1275033, 3332981, 9998943, 63326639, 189979917]

約数ペア:

[(1, 189979917), (3, 63326639), (19, 9998943), (57, 3332981), (149, 1275033), (447, 425011), (2831, 67107), (8493, 22369)]