18087705

素因数分解:

$3^5\times 5^1\times {\mathrm{14887}}^1$

素因数の和:14907

約数の個数: 24

約数和(自身を含む): 32515392

約数和(自身を除く): 14427687

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 14887, 44661, 74435, 133983, 223305, 401949, 669915, 1205847, 2009745, 3617541, 6029235, 18087705]

約数ペア:

[(1, 18087705), (3, 6029235), (5, 3617541), (9, 2009745), (15, 1205847), (27, 669915), (45, 401949), (81, 223305), (135, 133983), (243, 74435), (405, 44661), (1215, 14887)]