28641465

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4003}}^1$

素因数の和:4070

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 23250375

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 4003, 7155, 12009, 20015, 36027, 60045, 108081, 180135, 212159, 540405, 636477, 1060795, 1909431, 3182385, 5728293, 9547155, 28641465]

約数ペア:

[(1, 28641465), (3, 9547155), (5, 5728293), (9, 3182385), (15, 1909431), (27, 1060795), (45, 636477), (53, 540405), (135, 212159), (159, 180135), (265, 108081), (477, 60045), (795, 36027), (1431, 20015), (2385, 12009), (4003, 7155)]