28913745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{541}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 53072640

約数和(自身を除く): 24158895

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 509, 541, 1527, 1623, 2545, 2705, 3563, 3787, 7635, 8115, 10689, 11361, 17815, 18935, 53445, 56805, 275369, 826107, 1376845, 1927583, 4130535, 5782749, 9637915, 28913745]

約数ペア:

[(1, 28913745), (3, 9637915), (5, 5782749), (7, 4130535), (15, 1927583), (21, 1376845), (35, 826107), (105, 275369), (509, 56805), (541, 53445), (1527, 18935), (1623, 17815), (2545, 11361), (2705, 10689), (3563, 8115), (3787, 7635)]