2900205

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:69

約数の個数: 96

約数和(自身を含む): 6709248

約数和(自身を除く): 3809043

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 31, 33, 35, 45, 55, 63, 77, 81, 93, 99, 105, 135, 155, 165, 189, 217, 231, 243, 279, 297, 315, 341, 385, 405, 465, 495, 567, 651, 693, 837, 891, 945, 1023, 1085, 1155, 1215, 1395, 1485, 1701, 1705, 1953, 2079, 2387, 2511, 2673, 2835, 3069, 3255, 3465, 4185, 4455, 5115, 5859, 6237, 7161, 7533, 8505, 9207, 9765, 10395, 11935, 12555, 13365, 15345, 17577, 18711, 21483, 27621, 29295, 31185, 35805, 37665, 46035, 52731, 64449, 82863, 87885, 93555, 107415, 138105, 193347, 263655, 322245, 414315, 580041, 966735, 2900205]

約数ペア:

[(1, 2900205), (3, 966735), (5, 580041), (7, 414315), (9, 322245), (11, 263655), (15, 193347), (21, 138105), (27, 107415), (31, 93555), (33, 87885), (35, 82863), (45, 64449), (55, 52731), (63, 46035), (77, 37665), (81, 35805), (93, 31185), (99, 29295), (105, 27621), (135, 21483), (155, 18711), (165, 17577), (189, 15345), (217, 13365), (231, 12555), (243, 11935), (279, 10395), (297, 9765), (315, 9207), (341, 8505), (385, 7533), (405, 7161), (465, 6237), (495, 5859), (567, 5115), (651, 4455), (693, 4185), (837, 3465), (891, 3255), (945, 3069), (1023, 2835), (1085, 2673), (1155, 2511), (1215, 2387), (1395, 2079), (1485, 1953), (1701, 1705)]