199984815

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{40037}}^1$

素因数の和:40088

約数の個数: 32

約数和(自身を含む): 365146560

約数和(自身を除く): 165161745

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4995, 40037, 120111, 200185, 360333, 600555, 1080999, 1481369, 1801665, 4444107, 5404995, 7406845, 13332321, 22220535, 39996963, 66661605, 199984815]

約数ペア:

[(1, 199984815), (3, 66661605), (5, 39996963), (9, 22220535), (15, 13332321), (27, 7406845), (37, 5404995), (45, 4444107), (111, 1801665), (135, 1481369), (185, 1080999), (333, 600555), (555, 360333), (999, 200185), (1665, 120111), (4995, 40037)]