274738905

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{947}}^1$

素因数の和:1275

約数の個数: 64

約数和(自身を含む): 560609280

約数和(自身を除く): 285870375

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 307, 315, 921, 945, 947, 1535, 2149, 2763, 2841, 4605, 4735, 6447, 6629, 8289, 8523, 10745, 13815, 14205, 19341, 19887, 25569, 32235, 33145, 41445, 42615, 58023, 59661, 96705, 99435, 127845, 178983, 290115, 290729, 298305, 872187, 894915, 1453645, 2035103, 2616561, 4360935, 6105309, 7849683, 10175515, 13082805, 18315927, 30526545, 39248415, 54947781, 91579635, 274738905]

約数ペア:

[(1, 274738905), (3, 91579635), (5, 54947781), (7, 39248415), (9, 30526545), (15, 18315927), (21, 13082805), (27, 10175515), (35, 7849683), (45, 6105309), (63, 4360935), (105, 2616561), (135, 2035103), (189, 1453645), (307, 894915), (315, 872187), (921, 298305), (945, 290729), (947, 290115), (1535, 178983), (2149, 127845), (2763, 99435), (2841, 96705), (4605, 59661), (4735, 58023), (6447, 42615), (6629, 41445), (8289, 33145), (8523, 32235), (10745, 25569), (13815, 19887), (14205, 19341)]