1289695215

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3738247}}^1$

素因数の和:3738278

約数の個数: 16

約数和(自身を含む): 2153230848

約数和(自身を除く): 863535633

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 3738247, 11214741, 18691235, 56073705, 85979681, 257939043, 429898405, 1289695215]

約数ペア:

[(1, 1289695215), (3, 429898405), (5, 257939043), (15, 85979681), (23, 56073705), (69, 18691235), (115, 11214741), (345, 3738247)]