16939155

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1327}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 29067264

約数和(自身を除く): 12128109

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 1327, 2553, 3981, 4255, 6635, 12765, 19905, 30521, 49099, 91563, 147297, 152605, 245495, 457815, 736485, 1129277, 3387831, 5646385, 16939155]

約数ペア:

[(1, 16939155), (3, 5646385), (5, 3387831), (15, 1129277), (23, 736485), (37, 457815), (69, 245495), (111, 152605), (115, 147297), (185, 91563), (345, 49099), (555, 30521), (851, 19905), (1327, 12765), (2553, 6635), (3981, 4255)]