6821415

素因数分解:

$3^4\times 5^1\times {\mathrm{16843}}^1$

素因数の和:16860

約数の個数: 20

約数和(自身を含む): 12228744

約数和(自身を除く): 5407329

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 16843, 50529, 84215, 151587, 252645, 454761, 757935, 1364283, 2273805, 6821415]

約数ペア:

[(1, 6821415), (3, 2273805), (5, 1364283), (9, 757935), (15, 454761), (27, 252645), (45, 151587), (81, 84215), (135, 50529), (405, 16843)]