28676565

素因数分解:

$3^3\times 5^1\times {\mathrm{212419}}^1$

素因数の和:212433

約数の個数: 16

約数和(自身を含む): 50980800

約数和(自身を除く): 22304235

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 212419, 637257, 1062095, 1911771, 3186285, 5735313, 9558855, 28676565]

約数ペア:

[(1, 28676565), (3, 9558855), (5, 5735313), (9, 3186285), (15, 1911771), (27, 1062095), (45, 637257), (135, 212419)]