12615561

素因数分解:

$3^3\times 7^1\times {\mathrm{66749}}^1$

素因数の和:66765

約数の個数: 16

約数和(自身を含む): 21360000

約数和(自身を除く): 8744439

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 66749, 200247, 467243, 600741, 1401729, 1802223, 4205187, 12615561]

約数ペア:

[(1, 12615561), (3, 4205187), (7, 1802223), (9, 1401729), (21, 600741), (27, 467243), (63, 200247), (189, 66749)]