1287225

素因数分解:

$3^3\times 5^2\times {\mathrm{1907}}^1$

素因数の和:1926

約数の個数: 24

約数和(自身を含む): 2365920

約数和(自身を除く): 1078695

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 1907, 5721, 9535, 17163, 28605, 47675, 51489, 85815, 143025, 257445, 429075, 1287225]

約数ペア:

[(1, 1287225), (3, 429075), (5, 257445), (9, 143025), (15, 85815), (25, 51489), (27, 47675), (45, 28605), (75, 17163), (135, 9535), (225, 5721), (675, 1907)]