1020765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4003}}^1$

素因数の和:4028

約数の個数: 16

約数和(自身を含む): 1729728

約数和(自身を除く): 708963

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 4003, 12009, 20015, 60045, 68051, 204153, 340255, 1020765]

約数ペア:

[(1, 1020765), (3, 340255), (5, 204153), (15, 68051), (17, 60045), (51, 20015), (85, 12009), (255, 4003)]