27803727

素因数分解:

$3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{941}}^1$

素因数の和:1028

約数の個数: 36

約数和(自身を含む): 47465496

約数和(自身を除く): 19661769

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 147, 201, 441, 469, 603, 941, 1407, 2823, 3283, 4221, 6587, 8469, 9849, 19761, 29547, 46109, 59283, 63047, 138327, 189141, 414981, 441329, 567423, 1323987, 3089303, 3971961, 9267909, 27803727]

約数ペア:

[(1, 27803727), (3, 9267909), (7, 3971961), (9, 3089303), (21, 1323987), (49, 567423), (63, 441329), (67, 414981), (147, 189141), (201, 138327), (441, 63047), (469, 59283), (603, 46109), (941, 29547), (1407, 19761), (2823, 9849), (3283, 8469), (4221, 6587)]