27888777

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2971}}^1$

素因数の和:3133

約数の個数: 24

約数和(自身を含む): 46363200

約数和(自身を除く): 18474423

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 2971, 3129, 8913, 9387, 20797, 26739, 62391, 187173, 442679, 1328037, 3098753, 3984111, 9296259, 27888777]

約数ペア:

[(1, 27888777), (3, 9296259), (7, 3984111), (9, 3098753), (21, 1328037), (63, 442679), (149, 187173), (447, 62391), (1043, 26739), (1341, 20797), (2971, 9387), (3129, 8913)]