81046575

素因数分解:

$3^6\times 5^2\times {\mathrm{4447}}^1$

素因数の和:4475

約数の個数: 42

約数和(自身を含む): 150711584

約数和(自身を除く): 69665009

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3645, 4447, 6075, 13341, 18225, 22235, 40023, 66705, 111175, 120069, 200115, 333525, 360207, 600345, 1000575, 1080621, 1801035, 3001725, 3241863, 5403105, 9005175, 16209315, 27015525, 81046575]

約数ペア:

[(1, 81046575), (3, 27015525), (5, 16209315), (9, 9005175), (15, 5403105), (25, 3241863), (27, 3001725), (45, 1801035), (75, 1080621), (81, 1000575), (135, 600345), (225, 360207), (243, 333525), (405, 200115), (675, 120069), (729, 111175), (1215, 66705), (2025, 40023), (3645, 22235), (4447, 18225), (6075, 13341)]