81506292

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{970313}}^1$

素因数の和:970327

約数の個数: 24

約数和(自身を含む): 217350336

約数和(自身を除く): 135844044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 970313, 1940626, 2910939, 3881252, 5821878, 6792191, 11643756, 13584382, 20376573, 27168764, 40753146, 81506292]

約数ペア:

[(1, 81506292), (2, 40753146), (3, 27168764), (4, 20376573), (6, 13584382), (7, 11643756), (12, 6792191), (14, 5821878), (21, 3881252), (28, 2910939), (42, 1940626), (84, 970313)]