388256445

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{375127}}^1$

素因数の和:375161

約数の個数: 24

約数和(自身を含む): 702239616

約数和(自身を除く): 313983171

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 375127, 1125381, 1875635, 3376143, 5626905, 8627921, 16880715, 25883763, 43139605, 77651289, 129418815, 388256445]

約数ペア:

[(1, 388256445), (3, 129418815), (5, 77651289), (9, 43139605), (15, 25883763), (23, 16880715), (45, 8627921), (69, 5626905), (115, 3376143), (207, 1875635), (345, 1125381), (1035, 375127)]