289881855

素因数分解:

$3^3\times 5^1\times {\mathrm{2147273}}^1$

素因数の和:2147287

約数の個数: 16

約数和(自身を含む): 515345760

約数和(自身を除く): 225463905

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2147273, 6441819, 10736365, 19325457, 32209095, 57976371, 96627285, 289881855]

約数ペア:

[(1, 289881855), (3, 96627285), (5, 57976371), (9, 32209095), (15, 19325457), (27, 10736365), (45, 6441819), (135, 2147273)]