278375595

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{23227}}^1$

素因数の和:23299

約数の個数: 32

約数和(自身を含む): 481655808

約数和(自身を除く): 203280213

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 2397, 3995, 11985, 23227, 69681, 116135, 348405, 394859, 1091669, 1184577, 1974295, 3275007, 5458345, 5922885, 16375035, 18558373, 55675119, 92791865, 278375595]

約数ペア:

[(1, 278375595), (3, 92791865), (5, 55675119), (15, 18558373), (17, 16375035), (47, 5922885), (51, 5458345), (85, 3275007), (141, 1974295), (235, 1184577), (255, 1091669), (705, 394859), (799, 348405), (2397, 116135), (3995, 69681), (11985, 23227)]