19272729

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{3049}}^1$

素因数の和:3109

約数の個数: 24

約数和(自身を含む): 30597600

約数和(自身を除く): 11324871

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 3049, 6321, 9147, 21343, 64029, 131107, 149401, 393321, 448203, 917749, 2753247, 6424243, 19272729]

約数ペア:

[(1, 19272729), (3, 6424243), (7, 2753247), (21, 917749), (43, 448203), (49, 393321), (129, 149401), (147, 131107), (301, 64029), (903, 21343), (2107, 9147), (3049, 6321)]