127721187

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{6899}}^1$

素因数の和:6944

約数の個数: 36

約数和(自身を含む): 214741800

約数和(自身を除く): 87020613

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 121, 153, 187, 363, 561, 1089, 1683, 2057, 6171, 6899, 18513, 20697, 62091, 75889, 117283, 227667, 351849, 683001, 834779, 1055547, 1290113, 2504337, 3870339, 7513011, 11611017, 14191243, 42573729, 127721187]

約数ペア:

[(1, 127721187), (3, 42573729), (9, 14191243), (11, 11611017), (17, 7513011), (33, 3870339), (51, 2504337), (99, 1290113), (121, 1055547), (153, 834779), (187, 683001), (363, 351849), (561, 227667), (1089, 117283), (1683, 75889), (2057, 62091), (6171, 20697), (6899, 18513)]