27821787

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{42737}}^1$

素因数の和:42778

約数の個数: 16

約数和(自身を含む): 43763712

約数和(自身を除く): 15941925

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 42737, 128211, 299159, 897477, 1324847, 3974541, 9273929, 27821787]

約数ペア:

[(1, 27821787), (3, 9273929), (7, 3974541), (21, 1324847), (31, 897477), (93, 299159), (217, 128211), (651, 42737)]