7787745

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:132

約数の個数: 80

約数和(自身を含む): 16587648

約数和(自身を除く): 8799903

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 41, 45, 63, 67, 81, 105, 123, 135, 189, 201, 205, 287, 315, 335, 369, 405, 469, 567, 603, 615, 861, 945, 1005, 1107, 1407, 1435, 1809, 1845, 2345, 2583, 2747, 2835, 3015, 3321, 4221, 4305, 5427, 5535, 7035, 7749, 8241, 9045, 12663, 12915, 13735, 16605, 19229, 21105, 23247, 24723, 27135, 37989, 38745, 41205, 57687, 63315, 74169, 96145, 116235, 123615, 173061, 189945, 222507, 288435, 370845, 519183, 865305, 1112535, 1557549, 2595915, 7787745]

約数ペア:

[(1, 7787745), (3, 2595915), (5, 1557549), (7, 1112535), (9, 865305), (15, 519183), (21, 370845), (27, 288435), (35, 222507), (41, 189945), (45, 173061), (63, 123615), (67, 116235), (81, 96145), (105, 74169), (123, 63315), (135, 57687), (189, 41205), (201, 38745), (205, 37989), (287, 27135), (315, 24723), (335, 23247), (369, 21105), (405, 19229), (469, 16605), (567, 13735), (603, 12915), (615, 12663), (861, 9045), (945, 8241), (1005, 7749), (1107, 7035), (1407, 5535), (1435, 5427), (1809, 4305), (1845, 4221), (2345, 3321), (2583, 3015), (2747, 2835)]