28167615

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{727}}^1$

素因数の和:789

約数の個数: 64

約数和(自身を含む): 58705920

約数和(自身を除く): 30538305

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 41, 45, 63, 105, 123, 135, 189, 205, 287, 315, 369, 615, 727, 861, 945, 1107, 1435, 1845, 2181, 2583, 3635, 4305, 5089, 5535, 6543, 7749, 10905, 12915, 15267, 19629, 25445, 29807, 32715, 38745, 45801, 76335, 89421, 98145, 137403, 149035, 208649, 229005, 268263, 447105, 625947, 687015, 804789, 1043245, 1341315, 1877841, 3129735, 4023945, 5633523, 9389205, 28167615]

約数ペア:

[(1, 28167615), (3, 9389205), (5, 5633523), (7, 4023945), (9, 3129735), (15, 1877841), (21, 1341315), (27, 1043245), (35, 804789), (41, 687015), (45, 625947), (63, 447105), (105, 268263), (123, 229005), (135, 208649), (189, 149035), (205, 137403), (287, 98145), (315, 89421), (369, 76335), (615, 45801), (727, 38745), (861, 32715), (945, 29807), (1107, 25445), (1435, 19629), (1845, 15267), (2181, 12915), (2583, 10905), (3635, 7749), (4305, 6543), (5089, 5535)]