30909519

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{22447}}^1$

素因数の和:22476

約数の個数: 20

約数和(自身を含む): 48891744

約数和(自身を除く): 17982225

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 22447, 67341, 202023, 381599, 606069, 1144797, 1818207, 3434391, 10303173, 30909519]

約数ペア:

[(1, 30909519), (3, 10303173), (9, 3434391), (17, 1818207), (27, 1144797), (51, 606069), (81, 381599), (153, 202023), (459, 67341), (1377, 22447)]