2805138

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 7338240

約数和(自身を除く): 4533102

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 41, 42, 54, 63, 82, 123, 126, 181, 189, 246, 287, 362, 369, 378, 543, 574, 738, 861, 1086, 1107, 1267, 1629, 1722, 2214, 2534, 2583, 3258, 3801, 4887, 5166, 7421, 7602, 7749, 9774, 11403, 14842, 15498, 22263, 22806, 34209, 44526, 51947, 66789, 68418, 103894, 133578, 155841, 200367, 311682, 400734, 467523, 935046, 1402569, 2805138]

約数ペア:

[(1, 2805138), (2, 1402569), (3, 935046), (6, 467523), (7, 400734), (9, 311682), (14, 200367), (18, 155841), (21, 133578), (27, 103894), (41, 68418), (42, 66789), (54, 51947), (63, 44526), (82, 34209), (123, 22806), (126, 22263), (181, 15498), (189, 14842), (246, 11403), (287, 9774), (362, 7749), (369, 7602), (378, 7421), (543, 5166), (574, 4887), (738, 3801), (861, 3258), (1086, 2583), (1107, 2534), (1267, 2214), (1629, 1722)]