128516787

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 236966400

約数和(自身を除く): 108449613

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 67, 81, 119, 153, 189, 199, 201, 357, 459, 469, 567, 597, 603, 1071, 1139, 1377, 1393, 1407, 1791, 1809, 3213, 3383, 3417, 4179, 4221, 5373, 5427, 7973, 9639, 10149, 10251, 12537, 12663, 13333, 16119, 23681, 23919, 30447, 30753, 37611, 37989, 39999, 71043, 71757, 91341, 92259, 93331, 112833, 119997, 213129, 215271, 226661, 274023, 279993, 359991, 639387, 645813, 679983, 839979, 1079973, 1586627, 1918161, 2039949, 2519937, 4759881, 6119847, 7559811, 14279643, 18359541, 42838929, 128516787]

約数ペア:

[(1, 128516787), (3, 42838929), (7, 18359541), (9, 14279643), (17, 7559811), (21, 6119847), (27, 4759881), (51, 2519937), (63, 2039949), (67, 1918161), (81, 1586627), (119, 1079973), (153, 839979), (189, 679983), (199, 645813), (201, 639387), (357, 359991), (459, 279993), (469, 274023), (567, 226661), (597, 215271), (603, 213129), (1071, 119997), (1139, 112833), (1377, 93331), (1393, 92259), (1407, 91341), (1791, 71757), (1809, 71043), (3213, 39999), (3383, 37989), (3417, 37611), (4179, 30753), (4221, 30447), (5373, 23919), (5427, 23681), (7973, 16119), (9639, 13333), (10149, 12663), (10251, 12537)]