139440321

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{307}}^1\times {\mathrm{463}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 204364160

約数和(自身を除く): 64923839

約数列:

[1, 3, 9, 109, 307, 327, 463, 921, 981, 1389, 2763, 4167, 33463, 50467, 100389, 142141, 151401, 301167, 426423, 454203, 1279269, 15493369, 46480107, 139440321]

約数ペア:

[(1, 139440321), (3, 46480107), (9, 15493369), (109, 1279269), (307, 454203), (327, 426423), (463, 301167), (921, 151401), (981, 142141), (1389, 100389), (2763, 50467), (4167, 33463)]