12389985

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11971}}^1$

素因数の和:12005

約数の個数: 24

約数和(自身を含む): 22411584

約数和(自身を除く): 10021599

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 11971, 35913, 59855, 107739, 179565, 275333, 538695, 825999, 1376665, 2477997, 4129995, 12389985]

約数ペア:

[(1, 12389985), (3, 4129995), (5, 2477997), (9, 1376665), (15, 825999), (23, 538695), (45, 275333), (69, 179565), (115, 107739), (207, 59855), (345, 35913), (1035, 11971)]