205767405

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89659}}^1$

素因数の和:89690

約数の個数: 32

約数和(自身を含む): 387331200

約数和(自身を除く): 181563795

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 89659, 268977, 448295, 806931, 1344885, 1524203, 2420793, 4034655, 4572609, 7621015, 12103965, 13717827, 22863045, 41153481, 68589135, 205767405]

約数ペア:

[(1, 205767405), (3, 68589135), (5, 41153481), (9, 22863045), (15, 13717827), (17, 12103965), (27, 7621015), (45, 4572609), (51, 4034655), (85, 2420793), (135, 1524203), (153, 1344885), (255, 806931), (459, 448295), (765, 268977), (2295, 89659)]