1261657413

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 1912768000

約数和(自身を除く): 651110587

約数列:

[1, 3, 9, 37, 79, 111, 199, 237, 241, 333, 597, 711, 723, 1791, 2169, 2923, 7363, 8769, 8917, 15721, 19039, 22089, 26307, 26751, 47163, 47959, 57117, 66267, 80253, 141489, 143877, 171351, 431631, 581677, 704443, 1745031, 1774483, 2113329, 3788761, 5235093, 5323449, 6339987, 11366283, 15970347, 34098849, 140184157, 420552471, 1261657413]

約数ペア:

[(1, 1261657413), (3, 420552471), (9, 140184157), (37, 34098849), (79, 15970347), (111, 11366283), (199, 6339987), (237, 5323449), (241, 5235093), (333, 3788761), (597, 2113329), (711, 1774483), (723, 1745031), (1791, 704443), (2169, 581677), (2923, 431631), (7363, 171351), (8769, 143877), (8917, 141489), (15721, 80253), (19039, 66267), (22089, 57117), (26307, 47959), (26751, 47163)]