20071215

素因数分解:

$3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1777}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 34948368

約数和(自身を除く): 14877153

約数列:

[1, 3, 5, 9, 15, 45, 251, 753, 1255, 1777, 2259, 3765, 5331, 8885, 11295, 15993, 26655, 79965, 446027, 1338081, 2230135, 4014243, 6690405, 20071215]

約数ペア:

[(1, 20071215), (3, 6690405), (5, 4014243), (9, 2230135), (15, 1338081), (45, 446027), (251, 79965), (753, 26655), (1255, 15993), (1777, 11295), (2259, 8885), (3765, 5331)]