1269639

素因数分解:

$3^2\times 7^2\times {\mathrm{2879}}^1$

素因数の和:2899

約数の個数: 18

約数和(自身を含む): 2134080

約数和(自身を除く): 864441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 2879, 8637, 20153, 25911, 60459, 141071, 181377, 423213, 1269639]

約数ペア:

[(1, 1269639), (3, 423213), (7, 181377), (9, 141071), (21, 60459), (49, 25911), (63, 20153), (147, 8637), (441, 2879)]