27985405

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{25793}}^1$

素因数の和:25836

約数の個数: 16

約数和(自身を含む): 39619584

約数和(自身を除く): 11634179

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 25793, 128965, 180551, 799583, 902755, 3997915, 5597081, 27985405]

約数ペア:

[(1, 27985405), (5, 5597081), (7, 3997915), (31, 902755), (35, 799583), (155, 180551), (217, 128965), (1085, 25793)]