989145

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 1866240

約数和(自身を除く): 877095

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 431, 459, 765, 1293, 2155, 2295, 3879, 6465, 7327, 11637, 19395, 21981, 36635, 58185, 65943, 109905, 197829, 329715, 989145]

約数ペア:

[(1, 989145), (3, 329715), (5, 197829), (9, 109905), (15, 65943), (17, 58185), (27, 36635), (45, 21981), (51, 19395), (85, 11637), (135, 7327), (153, 6465), (255, 3879), (431, 2295), (459, 2155), (765, 1293)]