305655147

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1811}}^1$

素因数の和:1893

約数の個数: 64

約数和(自身を含む): 556646400

約数和(自身を除く): 250991253

約数列:

[1, 3, 7, 9, 19, 21, 27, 47, 57, 63, 133, 141, 171, 189, 329, 399, 423, 513, 893, 987, 1197, 1269, 1811, 2679, 2961, 3591, 5433, 6251, 8037, 8883, 12677, 16299, 18753, 24111, 34409, 38031, 48897, 56259, 85117, 103227, 114093, 168777, 240863, 255351, 309681, 342279, 595819, 722589, 766053, 929043, 1617223, 1787457, 2167767, 2298159, 4851669, 5362371, 6503301, 11320561, 14555007, 16087113, 33961683, 43665021, 101885049, 305655147]

約数ペア:

[(1, 305655147), (3, 101885049), (7, 43665021), (9, 33961683), (19, 16087113), (21, 14555007), (27, 11320561), (47, 6503301), (57, 5362371), (63, 4851669), (133, 2298159), (141, 2167767), (171, 1787457), (189, 1617223), (329, 929043), (399, 766053), (423, 722589), (513, 595819), (893, 342279), (987, 309681), (1197, 255351), (1269, 240863), (1811, 168777), (2679, 114093), (2961, 103227), (3591, 85117), (5433, 56259), (6251, 48897), (8037, 38031), (8883, 34409), (12677, 24111), (16299, 18753)]