81004779

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{19609}}^1$

素因数の和:19641

約数の個数: 24

約数和(自身を含む): 128484720

約数和(自身を除く): 47479941

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 19609, 58827, 176481, 333353, 529443, 1000059, 1588329, 3000177, 4764987, 9000531, 27001593, 81004779]

約数ペア:

[(1, 81004779), (3, 27001593), (9, 9000531), (17, 4764987), (27, 3000177), (51, 1588329), (81, 1000059), (153, 529443), (243, 333353), (459, 176481), (1377, 58827), (4131, 19609)]