28713045

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 47952000

約数和(自身を除く): 19238955

約数列:

[1, 3, 5, 15, 29, 87, 145, 149, 435, 443, 447, 745, 1329, 2215, 2235, 4321, 6645, 12847, 12963, 21605, 38541, 64235, 64815, 66007, 192705, 198021, 330035, 990105, 1914203, 5742609, 9571015, 28713045]

約数ペア:

[(1, 28713045), (3, 9571015), (5, 5742609), (15, 1914203), (29, 990105), (87, 330035), (145, 198021), (149, 192705), (435, 66007), (443, 64815), (447, 64235), (745, 38541), (1329, 21605), (2215, 12963), (2235, 12847), (4321, 6645)]