128209995

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{77003}}^1$

素因数の和:77051

約数の個数: 24

約数和(自身を含む): 228239856

約数和(自身を除く): 100029861

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 77003, 231009, 385015, 693027, 1155045, 2849111, 3465135, 8547333, 14245555, 25641999, 42736665, 128209995]

約数ペア:

[(1, 128209995), (3, 42736665), (5, 25641999), (9, 14245555), (15, 8547333), (37, 3465135), (45, 2849111), (111, 1155045), (185, 693027), (333, 385015), (555, 231009), (1665, 77003)]