287487909

素因数分解:

$3^2\times {\mathrm{1321}}^1\times {\mathrm{24181}}^1$

素因数の和:25508

約数の個数: 12

約数和(自身を含む): 415591852

約数和(自身を除く): 128103943

約数列:

[1, 3, 9, 1321, 3963, 11889, 24181, 72543, 217629, 31943101, 95829303, 287487909]

約数ペア:

[(1, 287487909), (3, 95829303), (9, 31943101), (1321, 217629), (3963, 72543), (11889, 24181)]