128217453

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1301}}^1$

素因数の和:1362

約数の個数: 48

約数和(自身を含む): 222235776

約数和(自身を除く): 94018323

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 361, 399, 741, 1083, 1301, 1729, 2527, 3903, 4693, 5187, 7581, 9107, 14079, 16913, 24719, 27321, 32851, 50739, 74157, 98553, 118391, 173033, 321347, 355173, 469661, 519099, 964041, 1408983, 2249429, 3287627, 6105593, 6748287, 9862881, 18316779, 42739151, 128217453]

約数ペア:

[(1, 128217453), (3, 42739151), (7, 18316779), (13, 9862881), (19, 6748287), (21, 6105593), (39, 3287627), (57, 2249429), (91, 1408983), (133, 964041), (247, 519099), (273, 469661), (361, 355173), (399, 321347), (741, 173033), (1083, 118391), (1301, 98553), (1729, 74157), (2527, 50739), (3903, 32851), (4693, 27321), (5187, 24719), (7581, 16913), (9107, 14079)]