231505197

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{6637}}^1$

素因数の和:6809

約数の個数: 32

約数和(自身を含む): 387446784

約数和(自身を除く): 155941587

約数列:

[1, 3, 7, 11, 21, 33, 77, 151, 231, 453, 1057, 1661, 3171, 4983, 6637, 11627, 19911, 34881, 46459, 73007, 139377, 219021, 511049, 1002187, 1533147, 3006561, 7015309, 11024057, 21045927, 33072171, 77168399, 231505197]

約数ペア:

[(1, 231505197), (3, 77168399), (7, 33072171), (11, 21045927), (21, 11024057), (33, 7015309), (77, 3006561), (151, 1533147), (231, 1002187), (453, 511049), (1057, 219021), (1661, 139377), (3171, 73007), (4983, 46459), (6637, 34881), (11627, 19911)]