7872615

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 14859936

約数和(自身を除く): 6987321

約数列:

[1, 3, 5, 9, 15, 17, 41, 45, 51, 85, 123, 153, 205, 251, 255, 369, 615, 697, 753, 765, 1255, 1845, 2091, 2259, 3485, 3765, 4267, 6273, 10291, 10455, 11295, 12801, 21335, 30873, 31365, 38403, 51455, 64005, 92619, 154365, 174947, 192015, 463095, 524841, 874735, 1574523, 2624205, 7872615]

約数ペア:

[(1, 7872615), (3, 2624205), (5, 1574523), (9, 874735), (15, 524841), (17, 463095), (41, 192015), (45, 174947), (51, 154365), (85, 92619), (123, 64005), (153, 51455), (205, 38403), (251, 31365), (255, 30873), (369, 21335), (615, 12801), (697, 11295), (753, 10455), (765, 10291), (1255, 6273), (1845, 4267), (2091, 3765), (2259, 3485)]