38989755

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{809}}^1$

素因数の和:850

約数の個数: 80

約数和(自身を含む): 84680640

約数和(自身を除く): 45690885

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 81, 85, 105, 119, 135, 153, 189, 255, 315, 357, 405, 459, 567, 595, 765, 809, 945, 1071, 1377, 1785, 2295, 2427, 2835, 3213, 4045, 5355, 5663, 6885, 7281, 9639, 12135, 13753, 16065, 16989, 21843, 28315, 36405, 41259, 48195, 50967, 65529, 68765, 84945, 96271, 109215, 123777, 152901, 206295, 254835, 288813, 327645, 371331, 458703, 481355, 618885, 764505, 866439, 1113993, 1444065, 1856655, 2293515, 2599317, 4332195, 5569965, 7797951, 12996585, 38989755]

約数ペア:

[(1, 38989755), (3, 12996585), (5, 7797951), (7, 5569965), (9, 4332195), (15, 2599317), (17, 2293515), (21, 1856655), (27, 1444065), (35, 1113993), (45, 866439), (51, 764505), (63, 618885), (81, 481355), (85, 458703), (105, 371331), (119, 327645), (135, 288813), (153, 254835), (189, 206295), (255, 152901), (315, 123777), (357, 109215), (405, 96271), (459, 84945), (567, 68765), (595, 65529), (765, 50967), (809, 48195), (945, 41259), (1071, 36405), (1377, 28315), (1785, 21843), (2295, 16989), (2427, 16065), (2835, 13753), (3213, 12135), (4045, 9639), (5355, 7281), (5663, 6885)]