27721035

素因数分解:

$3^4\times 5^1\times {\mathrm{68447}}^1$

素因数の和:68464

約数の個数: 20

約数和(自身を含む): 49693248

約数和(自身を除く): 21972213

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 68447, 205341, 342235, 616023, 1026705, 1848069, 3080115, 5544207, 9240345, 27721035]

約数ペア:

[(1, 27721035), (3, 9240345), (5, 5544207), (9, 3080115), (15, 1848069), (27, 1026705), (45, 616023), (81, 342235), (135, 205341), (405, 68447)]