1278585

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:76

約数の個数: 80

約数和(自身を含む): 2927232

約数和(自身を除く): 1648647

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 41, 45, 55, 63, 77, 81, 99, 105, 123, 135, 165, 189, 205, 231, 287, 297, 315, 369, 385, 405, 451, 495, 567, 615, 693, 861, 891, 945, 1107, 1155, 1353, 1435, 1485, 1845, 2079, 2255, 2583, 2835, 3157, 3321, 3465, 4059, 4305, 4455, 5535, 6237, 6765, 7749, 9471, 10395, 12177, 12915, 15785, 16605, 20295, 23247, 28413, 31185, 36531, 38745, 47355, 60885, 85239, 116235, 142065, 182655, 255717, 426195, 1278585]

約数ペア:

[(1, 1278585), (3, 426195), (5, 255717), (7, 182655), (9, 142065), (11, 116235), (15, 85239), (21, 60885), (27, 47355), (33, 38745), (35, 36531), (41, 31185), (45, 28413), (55, 23247), (63, 20295), (77, 16605), (81, 15785), (99, 12915), (105, 12177), (123, 10395), (135, 9471), (165, 7749), (189, 6765), (205, 6237), (231, 5535), (287, 4455), (297, 4305), (315, 4059), (369, 3465), (385, 3321), (405, 3157), (451, 2835), (495, 2583), (567, 2255), (615, 2079), (693, 1845), (861, 1485), (891, 1435), (945, 1353), (1107, 1155)]