207291387

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 328458240

約数和(自身を除く): 121166853

約数列:

[1, 3, 17, 19, 23, 51, 57, 69, 71, 131, 213, 323, 391, 393, 437, 969, 1173, 1207, 1311, 1349, 1633, 2227, 2489, 3013, 3621, 4047, 4899, 6681, 7429, 7467, 9039, 9301, 22287, 22933, 27761, 27903, 31027, 42313, 51221, 57247, 68799, 83283, 93081, 126939, 153663, 158117, 171741, 176719, 213923, 474351, 527459, 530157, 641769, 973199, 1582377, 2919597, 3004223, 3636691, 4064537, 9012669, 10910073, 12193611, 69097129, 207291387]

約数ペア:

[(1, 207291387), (3, 69097129), (17, 12193611), (19, 10910073), (23, 9012669), (51, 4064537), (57, 3636691), (69, 3004223), (71, 2919597), (131, 1582377), (213, 973199), (323, 641769), (391, 530157), (393, 527459), (437, 474351), (969, 213923), (1173, 176719), (1207, 171741), (1311, 158117), (1349, 153663), (1633, 126939), (2227, 93081), (2489, 83283), (3013, 68799), (3621, 57247), (4047, 51221), (4899, 42313), (6681, 31027), (7429, 27903), (7467, 27761), (9039, 22933), (9301, 22287)]