1277771877

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{383}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 1966768128

約数和(自身を除く): 688996251

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 227, 383, 639, 681, 1149, 1633, 2043, 3447, 4899, 5221, 8809, 14697, 15663, 16117, 26427, 27193, 46989, 48351, 79281, 81579, 86941, 145053, 244737, 260823, 370691, 625439, 782469, 1112073, 1876317, 1999643, 3336219, 5628951, 5998929, 6172811, 17996787, 18518433, 55555299, 141974653, 425923959, 1277771877]

約数ペア:

[(1, 1277771877), (3, 425923959), (9, 141974653), (23, 55555299), (69, 18518433), (71, 17996787), (207, 6172811), (213, 5998929), (227, 5628951), (383, 3336219), (639, 1999643), (681, 1876317), (1149, 1112073), (1633, 782469), (2043, 625439), (3447, 370691), (4899, 260823), (5221, 244737), (8809, 145053), (14697, 86941), (15663, 81579), (16117, 79281), (26427, 48351), (27193, 46989)]