81875255

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19333}}^1$

素因数の和:19367

約数の個数: 24

約数和(自身を含む): 123428256

約数和(自身を除く): 41553001

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 19333, 96665, 135331, 212663, 676655, 1063315, 1488641, 2339293, 7443205, 11696465, 16375051, 81875255]

約数ペア:

[(1, 81875255), (5, 16375051), (7, 11696465), (11, 7443205), (35, 2339293), (55, 1488641), (77, 1063315), (121, 676655), (385, 212663), (605, 135331), (847, 96665), (4235, 19333)]