6390015

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9907}}^1$

素因数の和:9958

約数の個数: 16

約数和(自身を含む): 10462848

約数和(自身を除く): 4072833

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 9907, 29721, 49535, 148605, 426001, 1278003, 2130005, 6390015]

約数ペア:

[(1, 6390015), (3, 2130005), (5, 1278003), (15, 426001), (43, 148605), (129, 49535), (215, 29721), (645, 9907)]