61878453

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 109670400

約数和(自身を除く): 47791947

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 67, 91, 119, 199, 201, 221, 273, 357, 469, 597, 663, 871, 1139, 1393, 1407, 1547, 2587, 2613, 3383, 3417, 4179, 4641, 6097, 7761, 7973, 10149, 13333, 14807, 18109, 18291, 23681, 23919, 39999, 43979, 44421, 54327, 71043, 93331, 103649, 131937, 173329, 226661, 279993, 307853, 310947, 519987, 679983, 923559, 1213303, 1586627, 2946593, 3639909, 4759881, 8839779, 20626151, 61878453]

約数ペア:

[(1, 61878453), (3, 20626151), (7, 8839779), (13, 4759881), (17, 3639909), (21, 2946593), (39, 1586627), (51, 1213303), (67, 923559), (91, 679983), (119, 519987), (199, 310947), (201, 307853), (221, 279993), (273, 226661), (357, 173329), (469, 131937), (597, 103649), (663, 93331), (871, 71043), (1139, 54327), (1393, 44421), (1407, 43979), (1547, 39999), (2587, 23919), (2613, 23681), (3383, 18291), (3417, 18109), (4179, 14807), (4641, 13333), (6097, 10149), (7761, 7973)]