81303705

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{258107}}^1$

素因数の和:258125

約数の個数: 24

約数和(自身を含む): 161059392

約数和(自身を除く): 79755687

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 258107, 774321, 1290535, 1806749, 2322963, 3871605, 5420247, 9033745, 11614815, 16260741, 27101235, 81303705]

約数ペア:

[(1, 81303705), (3, 27101235), (5, 16260741), (7, 11614815), (9, 9033745), (15, 5420247), (21, 3871605), (35, 2322963), (45, 1806749), (63, 1290535), (105, 774321), (315, 258107)]