764753805

素因数分解:

$3^6\times 5^1\times {\mathrm{209809}}^1$

素因数の和:209832

約数の個数: 28

約数和(自身を含む): 1375933980

約数和(自身を除く): 611180175

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 209809, 629427, 1049045, 1888281, 3147135, 5664843, 9441405, 16994529, 28324215, 50983587, 84972645, 152950761, 254917935, 764753805]

約数ペア:

[(1, 764753805), (3, 254917935), (5, 152950761), (9, 84972645), (15, 50983587), (27, 28324215), (45, 16994529), (81, 9441405), (135, 5664843), (243, 3147135), (405, 1888281), (729, 1049045), (1215, 629427), (3645, 209809)]