2697705

素因数分解:

$3^4\times 5^1\times {\mathrm{6661}}^1$

素因数の和:6678

約数の個数: 20

約数和(自身を含む): 4836612

約数和(自身を除く): 2138907

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6661, 19983, 33305, 59949, 99915, 179847, 299745, 539541, 899235, 2697705]

約数ペア:

[(1, 2697705), (3, 899235), (5, 539541), (9, 299745), (15, 179847), (27, 99915), (45, 59949), (81, 33305), (135, 19983), (405, 6661)]