28787535

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{743}}^1$

素因数の和:805

約数の個数: 64

約数和(自身を含む): 59996160

約数和(自身を除く): 31208625

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 41, 45, 63, 105, 123, 135, 189, 205, 287, 315, 369, 615, 743, 861, 945, 1107, 1435, 1845, 2229, 2583, 3715, 4305, 5201, 5535, 6687, 7749, 11145, 12915, 15603, 20061, 26005, 30463, 33435, 38745, 46809, 78015, 91389, 100305, 140427, 152315, 213241, 234045, 274167, 456945, 639723, 702135, 822501, 1066205, 1370835, 1919169, 3198615, 4112505, 5757507, 9595845, 28787535]

約数ペア:

[(1, 28787535), (3, 9595845), (5, 5757507), (7, 4112505), (9, 3198615), (15, 1919169), (21, 1370835), (27, 1066205), (35, 822501), (41, 702135), (45, 639723), (63, 456945), (105, 274167), (123, 234045), (135, 213241), (189, 152315), (205, 140427), (287, 100305), (315, 91389), (369, 78015), (615, 46809), (743, 38745), (861, 33435), (945, 30463), (1107, 26005), (1435, 20061), (1845, 15603), (2229, 12915), (2583, 11145), (3715, 7749), (4305, 6687), (5201, 5535)]