28890603

素因数分解:

$3^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{919}}^1$

素因数の和:1431

約数の個数: 24

約数和(自身を含む): 47840000

約数和(自身を除く): 18949397

約数列:

[1, 3, 7, 9, 21, 63, 499, 919, 1497, 2757, 3493, 4491, 6433, 8271, 10479, 19299, 31437, 57897, 458581, 1375743, 3210067, 4127229, 9630201, 28890603]

約数ペア:

[(1, 28890603), (3, 9630201), (7, 4127229), (9, 3210067), (21, 1375743), (63, 458581), (499, 57897), (919, 31437), (1497, 19299), (2757, 10479), (3493, 8271), (4491, 6433)]