156901857

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 257467392

約数和(自身を除く): 100565535

約数列:

[1, 3, 7, 17, 21, 51, 103, 119, 251, 289, 309, 357, 721, 753, 867, 1751, 1757, 2023, 2163, 4267, 5253, 5271, 6069, 12257, 12801, 25853, 29767, 29869, 36771, 72539, 77559, 89301, 89607, 180971, 208369, 217617, 439501, 507773, 542913, 625107, 1318503, 1523319, 3076507, 7471517, 9229521, 22414551, 52300619, 156901857]

約数ペア:

[(1, 156901857), (3, 52300619), (7, 22414551), (17, 9229521), (21, 7471517), (51, 3076507), (103, 1523319), (119, 1318503), (251, 625107), (289, 542913), (309, 507773), (357, 439501), (721, 217617), (753, 208369), (867, 180971), (1751, 89607), (1757, 89301), (2023, 77559), (2163, 72539), (4267, 36771), (5253, 29869), (5271, 29767), (6069, 25853), (12257, 12801)]