197777235

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{18917}}^1$

素因数の和:18983

約数の個数: 32

約数和(自身を含む): 343248192

約数和(自身を除く): 145470957

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 2091, 3485, 10455, 18917, 56751, 94585, 283755, 321589, 775597, 964767, 1607945, 2326791, 3877985, 4823835, 11633955, 13185149, 39555447, 65925745, 197777235]

約数ペア:

[(1, 197777235), (3, 65925745), (5, 39555447), (15, 13185149), (17, 11633955), (41, 4823835), (51, 3877985), (85, 2326791), (123, 1607945), (205, 964767), (255, 775597), (615, 321589), (697, 283755), (2091, 94585), (3485, 56751), (10455, 18917)]