64515765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{253003}}^1$

素因数の和:253028

約数の個数: 16

約数和(自身を含む): 109297728

約数和(自身を除く): 44781963

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 253003, 759009, 1265015, 3795045, 4301051, 12903153, 21505255, 64515765]

約数ペア:

[(1, 64515765), (3, 21505255), (5, 12903153), (15, 4301051), (17, 3795045), (51, 1265015), (85, 759009), (255, 253003)]