78908805

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2251}}^1$

素因数の和:2322

約数の個数: 48

約数和(自身を含む): 147551040

約数和(自身を除く): 68642235

約数列:

[1, 3, 5, 9, 15, 19, 41, 45, 57, 95, 123, 171, 205, 285, 369, 615, 779, 855, 1845, 2251, 2337, 3895, 6753, 7011, 11255, 11685, 20259, 33765, 35055, 42769, 92291, 101295, 128307, 213845, 276873, 384921, 461455, 641535, 830619, 1384365, 1753529, 1924605, 4153095, 5260587, 8767645, 15781761, 26302935, 78908805]

約数ペア:

[(1, 78908805), (3, 26302935), (5, 15781761), (9, 8767645), (15, 5260587), (19, 4153095), (41, 1924605), (45, 1753529), (57, 1384365), (95, 830619), (123, 641535), (171, 461455), (205, 384921), (285, 276873), (369, 213845), (615, 128307), (779, 101295), (855, 92291), (1845, 42769), (2251, 35055), (2337, 33765), (3895, 20259), (6753, 11685), (7011, 11255)]