2178045

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1669}}^1$

素因数の和:1709

約数の個数: 24

約数和(自身を含む): 3907800

約数和(自身を除く): 1729755

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 1669, 5007, 8345, 15021, 25035, 48401, 75105, 145203, 242005, 435609, 726015, 2178045]

約数ペア:

[(1, 2178045), (3, 726015), (5, 435609), (9, 242005), (15, 145203), (29, 75105), (45, 48401), (87, 25035), (145, 15021), (261, 8345), (435, 5007), (1305, 1669)]