2005684821

素因数分解:

$3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1$

素因数の和:541

約数の個数: 96

約数和(自身を含む): 3643494400

約数和(自身を除く): 1637809579

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 229, 243, 271, 399, 513, 567, 687, 813, 1197, 1539, 1603, 1701, 1897, 2061, 2439, 3591, 4351, 4617, 4809, 5149, 5691, 6183, 7317, 10773, 13053, 14427, 15447, 17073, 18549, 21951, 30457, 32319, 36043, 39159, 43281, 46341, 51219, 55647, 62059, 65853, 91371, 108129, 117477, 129843, 139023, 153657, 186177, 274113, 324387, 352431, 389529, 417069, 434413, 460971, 558531, 822339, 973161, 1057293, 1179121, 1251207, 1303239, 1675593, 2467017, 2919483, 3537363, 3909717, 5026779, 7401051, 8253847, 8758449, 10612089, 11729151, 15080337, 24761541, 31836267, 35187453, 74284623, 95508801, 105562359, 222853869, 286526403, 668561607, 2005684821]

約数ペア:

[(1, 2005684821), (3, 668561607), (7, 286526403), (9, 222853869), (19, 105562359), (21, 95508801), (27, 74284623), (57, 35187453), (63, 31836267), (81, 24761541), (133, 15080337), (171, 11729151), (189, 10612089), (229, 8758449), (243, 8253847), (271, 7401051), (399, 5026779), (513, 3909717), (567, 3537363), (687, 2919483), (813, 2467017), (1197, 1675593), (1539, 1303239), (1603, 1251207), (1701, 1179121), (1897, 1057293), (2061, 973161), (2439, 822339), (3591, 558531), (4351, 460971), (4617, 434413), (4809, 417069), (5149, 389529), (5691, 352431), (6183, 324387), (7317, 274113), (10773, 186177), (13053, 153657), (14427, 139023), (15447, 129843), (17073, 117477), (18549, 108129), (21951, 91371), (30457, 65853), (32319, 62059), (36043, 55647), (39159, 51219), (43281, 46341)]