128539737

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{1451}}^1$

素因数の和:1670

約数の個数: 32

約数和(自身を含む): 202815360

約数和(自身を除く): 74275623

約数列:

[1, 3, 9, 17, 27, 51, 153, 193, 459, 579, 1451, 1737, 3281, 4353, 5211, 9843, 13059, 24667, 29529, 39177, 74001, 88587, 222003, 280043, 666009, 840129, 2520387, 4760731, 7561161, 14282193, 42846579, 128539737]

約数ペア:

[(1, 128539737), (3, 42846579), (9, 14282193), (17, 7561161), (27, 4760731), (51, 2520387), (153, 840129), (193, 666009), (459, 280043), (579, 222003), (1451, 88587), (1737, 74001), (3281, 39177), (4353, 29529), (5211, 24667), (9843, 13059)]