285428577

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 455179200

約数和(自身を除く): 169750623

約数列:

[1, 3, 7, 21, 49, 61, 139, 147, 183, 229, 417, 427, 687, 973, 1281, 1603, 2919, 2989, 4809, 6811, 8479, 8967, 11221, 13969, 20433, 25437, 31831, 33663, 41907, 59353, 95493, 97783, 178059, 222817, 293349, 415471, 668451, 684481, 1246413, 1559719, 1941691, 2053443, 4679157, 5825073, 13591837, 40775511, 95142859, 285428577]

約数ペア:

[(1, 285428577), (3, 95142859), (7, 40775511), (21, 13591837), (49, 5825073), (61, 4679157), (139, 2053443), (147, 1941691), (183, 1559719), (229, 1246413), (417, 684481), (427, 668451), (687, 415471), (973, 293349), (1281, 222817), (1603, 178059), (2919, 97783), (2989, 95493), (4809, 59353), (6811, 41907), (8479, 33663), (8967, 31831), (11221, 25437), (13969, 20433)]