28405431

素因数分解:

$3^3\times {\mathrm{773}}^1\times {\mathrm{1361}}^1$

素因数の和:2143

約数の個数: 16

約数和(自身を含む): 42167520

約数和(自身を除く): 13762089

約数列:

[1, 3, 9, 27, 773, 1361, 2319, 4083, 6957, 12249, 20871, 36747, 1052053, 3156159, 9468477, 28405431]

約数ペア:

[(1, 28405431), (3, 9468477), (9, 3156159), (27, 1052053), (773, 36747), (1361, 20871), (2319, 12249), (4083, 6957)]