1211493003

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 1908305280

約数和(自身を除く): 696812277

約数列:

[1, 3, 7, 21, 49, 139, 147, 211, 281, 417, 633, 843, 973, 1477, 1967, 2919, 4431, 5901, 6811, 10339, 13769, 20433, 29329, 31017, 39059, 41307, 59291, 87987, 117177, 177873, 205303, 273413, 415037, 615909, 820239, 1245111, 1437121, 1913891, 2905259, 4311363, 5741673, 8241449, 8715777, 24724347, 57690143, 173070429, 403831001, 1211493003]

約数ペア:

[(1, 1211493003), (3, 403831001), (7, 173070429), (21, 57690143), (49, 24724347), (139, 8715777), (147, 8241449), (211, 5741673), (281, 4311363), (417, 2905259), (633, 1913891), (843, 1437121), (973, 1245111), (1477, 820239), (1967, 615909), (2919, 415037), (4431, 273413), (5901, 205303), (6811, 177873), (10339, 117177), (13769, 87987), (20433, 59291), (29329, 41307), (31017, 39059)]