267705

素因数分解:

$3^4\times 5^1\times {\mathrm{661}}^1$

素因数の和:678

約数の個数: 20

約数和(自身を含む): 480612

約数和(自身を除く): 212907

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 661, 1983, 3305, 5949, 9915, 17847, 29745, 53541, 89235, 267705]

約数ペア:

[(1, 267705), (3, 89235), (5, 53541), (9, 29745), (15, 17847), (27, 9915), (45, 5949), (81, 3305), (135, 1983), (405, 661)]