3978021

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:380

約数の個数: 16

約数和(自身を含む): 5474304

約数和(自身を除く): 1496283

約数列:

[1, 3, 53, 127, 159, 197, 381, 591, 6731, 10441, 20193, 25019, 31323, 75057, 1326007, 3978021]

約数ペア:

[(1, 3978021), (3, 1326007), (53, 75057), (127, 31323), (159, 25019), (197, 20193), (381, 10441), (591, 6731)]