287912247

素因数分解:

$3^1\times 7^1\times {\mathrm{2089}}^1\times {\mathrm{6563}}^1$

素因数の和:8662

約数の個数: 16

約数和(自身を含む): 439000320

約数和(自身を除く): 151088073

約数列:

[1, 3, 7, 21, 2089, 6267, 6563, 14623, 19689, 43869, 45941, 137823, 13710107, 41130321, 95970749, 287912247]

約数ペア:

[(1, 287912247), (3, 95970749), (7, 41130321), (21, 13710107), (2089, 137823), (6267, 45941), (6563, 43869), (14623, 19689)]