27991551

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3259}}^1$

素因数の和:3678

約数の個数: 16

約数和(自身を含む): 42771200

約数和(自身を除く): 14779649

約数列:

[1, 3, 7, 21, 409, 1227, 2863, 3259, 8589, 9777, 22813, 68439, 1332931, 3998793, 9330517, 27991551]

約数ペア:

[(1, 27991551), (3, 9330517), (7, 3998793), (21, 1332931), (409, 68439), (1227, 22813), (2863, 9777), (3259, 8589)]