51181611

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 82521600

約数和(自身を除く): 31339989

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 239, 247, 289, 323, 663, 717, 741, 867, 969, 3107, 3757, 4063, 4199, 4541, 5491, 9321, 11271, 12189, 12597, 13623, 16473, 52819, 59033, 69071, 71383, 77197, 158457, 177099, 207213, 214149, 231591, 897923, 1003561, 1312349, 2693769, 3010683, 3937047, 17060537, 51181611]

約数ペア:

[(1, 51181611), (3, 17060537), (13, 3937047), (17, 3010683), (19, 2693769), (39, 1312349), (51, 1003561), (57, 897923), (221, 231591), (239, 214149), (247, 207213), (289, 177099), (323, 158457), (663, 77197), (717, 71383), (741, 69071), (867, 59033), (969, 52819), (3107, 16473), (3757, 13623), (4063, 12597), (4199, 12189), (4541, 11271), (5491, 9321)]