28744605

素因数分解:

$3^3\times 5^1\times {\mathrm{212923}}^1$

素因数の和:212937

約数の個数: 16

約数和(自身を含む): 51101760

約数和(自身を除く): 22357155

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 212923, 638769, 1064615, 1916307, 3193845, 5748921, 9581535, 28744605]

約数ペア:

[(1, 28744605), (3, 9581535), (5, 5748921), (9, 3193845), (15, 1916307), (27, 1064615), (45, 638769), (135, 212923)]