263212821

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:467

約数の個数: 40

約数和(自身を含む): 401405400

約数和(自身を除く): 138192579

約数列:

[1, 3, 9, 27, 81, 113, 149, 193, 339, 447, 579, 1017, 1341, 1737, 3051, 4023, 5211, 9153, 12069, 15633, 16837, 21809, 28757, 50511, 65427, 86271, 151533, 196281, 258813, 454599, 588843, 776439, 1363797, 1766529, 2329317, 3249541, 9748623, 29245869, 87737607, 263212821]

約数ペア:

[(1, 263212821), (3, 87737607), (9, 29245869), (27, 9748623), (81, 3249541), (113, 2329317), (149, 1766529), (193, 1363797), (339, 776439), (447, 588843), (579, 454599), (1017, 258813), (1341, 196281), (1737, 151533), (3051, 86271), (4023, 65427), (5211, 50511), (9153, 28757), (12069, 21809), (15633, 16837)]