26815131

素因数分解:

$3^4\times 7^1\times {\mathrm{47293}}^1$

素因数の和:47312

約数の個数: 20

約数和(自身を含む): 45780592

約数和(自身を除く): 18965461

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 47293, 141879, 331051, 425637, 993153, 1276911, 2979459, 3830733, 8938377, 26815131]

約数ペア:

[(1, 26815131), (3, 8938377), (7, 3830733), (9, 2979459), (21, 1276911), (27, 993153), (63, 425637), (81, 331051), (189, 141879), (567, 47293)]