820112385

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3216127}}^1$

素因数の和:3216152

約数の個数: 16

約数和(自身を含む): 1389367296

約数和(自身を除く): 569254911

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 3216127, 9648381, 16080635, 48241905, 54674159, 164022477, 273370795, 820112385]

約数ペア:

[(1, 820112385), (3, 273370795), (5, 164022477), (15, 54674159), (17, 48241905), (51, 16080635), (85, 9648381), (255, 3216127)]