39967263

素因数分解:

$3^4\times 7^1\times {\mathrm{70489}}^1$

素因数の和:70508

約数の個数: 20

約数和(自身を含む): 68234320

約数和(自身を除く): 28267057

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 70489, 211467, 493423, 634401, 1480269, 1903203, 4440807, 5709609, 13322421, 39967263]

約数ペア:

[(1, 39967263), (3, 13322421), (7, 5709609), (9, 4440807), (21, 1903203), (27, 1480269), (63, 634401), (81, 493423), (189, 211467), (567, 70489)]