81257427

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{170351}}^1$

素因数の和:170410

約数の個数: 12

約数和(自身を含む): 119587104

約数和(自身を除く): 38329677

約数列:

[1, 3, 9, 53, 159, 477, 170351, 511053, 1533159, 9028603, 27085809, 81257427]

約数ペア:

[(1, 81257427), (3, 27085809), (9, 9028603), (53, 1533159), (159, 511053), (477, 170351)]