807165

素因数分解:

$3^4\times 5^1\times {\mathrm{1993}}^1$

素因数の和:2010

約数の個数: 20

約数和(自身を含む): 1447644

約数和(自身を除く): 640479

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1993, 5979, 9965, 17937, 29895, 53811, 89685, 161433, 269055, 807165]

約数ペア:

[(1, 807165), (3, 269055), (5, 161433), (9, 89685), (15, 53811), (27, 29895), (45, 17937), (81, 9965), (135, 5979), (405, 1993)]