2012172309

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1123}}^1$

素因数の和:1399

約数の個数: 72

約数和(自身を含む): 3598058880

約数和(自身を除く): 1585886571

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 239, 357, 441, 717, 833, 1071, 1123, 1673, 2151, 2499, 3369, 4063, 5019, 7497, 7861, 10107, 11711, 12189, 15057, 19091, 23583, 28441, 35133, 36567, 55027, 57273, 70749, 85323, 105399, 133637, 165081, 171819, 199087, 255969, 268397, 400911, 495243, 597261, 805191, 935459, 1202733, 1791783, 1878779, 2415573, 2806377, 4562749, 5636337, 8419131, 13151453, 13688247, 16909011, 31939243, 39454359, 41064741, 95817729, 118363077, 223574701, 287453187, 670724103, 2012172309]

約数ペア:

[(1, 2012172309), (3, 670724103), (7, 287453187), (9, 223574701), (17, 118363077), (21, 95817729), (49, 41064741), (51, 39454359), (63, 31939243), (119, 16909011), (147, 13688247), (153, 13151453), (239, 8419131), (357, 5636337), (441, 4562749), (717, 2806377), (833, 2415573), (1071, 1878779), (1123, 1791783), (1673, 1202733), (2151, 935459), (2499, 805191), (3369, 597261), (4063, 495243), (5019, 400911), (7497, 268397), (7861, 255969), (10107, 199087), (11711, 171819), (12189, 165081), (15057, 133637), (19091, 105399), (23583, 85323), (28441, 70749), (35133, 57273), (36567, 55027)]