2905869

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 4071168

約数和(自身を除く): 1165299

約数列:

[1, 3, 37, 47, 111, 141, 557, 1671, 1739, 5217, 20609, 26179, 61827, 78537, 968623, 2905869]

約数ペア:

[(1, 2905869), (3, 968623), (37, 78537), (47, 61827), (111, 26179), (141, 20609), (557, 5217), (1671, 1739)]