28095885

素因数分解:

$3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{971}}^1$

素因数の和:1625

約数の個数: 24

約数和(自身を含む): 48825504

約数和(自身を除く): 20729619

約数列:

[1, 3, 5, 9, 15, 45, 643, 971, 1929, 2913, 3215, 4855, 5787, 8739, 9645, 14565, 28935, 43695, 624353, 1873059, 3121765, 5619177, 9365295, 28095885]

約数ペア:

[(1, 28095885), (3, 9365295), (5, 5619177), (9, 3121765), (15, 1873059), (45, 624353), (643, 43695), (971, 28935), (1929, 14565), (2913, 9645), (3215, 8739), (4855, 5787)]