2787950685

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{1321}}^1$

素因数の和:1558

約数の個数: 64

約数和(自身を含む): 4903879680

約数和(自身を除く): 2115928995

約数列:

[1, 3, 5, 13, 15, 39, 65, 79, 137, 195, 237, 395, 411, 685, 1027, 1185, 1321, 1781, 2055, 3081, 3963, 5135, 5343, 6605, 8905, 10823, 15405, 17173, 19815, 26715, 32469, 51519, 54115, 85865, 104359, 140699, 162345, 180977, 257595, 313077, 422097, 521795, 542931, 703495, 904885, 1356667, 1565385, 2110485, 2352701, 2714655, 4070001, 6783335, 7058103, 11763505, 14297183, 20350005, 35290515, 42891549, 71485915, 185863379, 214457745, 557590137, 929316895, 2787950685]

約数ペア:

[(1, 2787950685), (3, 929316895), (5, 557590137), (13, 214457745), (15, 185863379), (39, 71485915), (65, 42891549), (79, 35290515), (137, 20350005), (195, 14297183), (237, 11763505), (395, 7058103), (411, 6783335), (685, 4070001), (1027, 2714655), (1185, 2352701), (1321, 2110485), (1781, 1565385), (2055, 1356667), (3081, 904885), (3963, 703495), (5135, 542931), (5343, 521795), (6605, 422097), (8905, 313077), (10823, 257595), (15405, 180977), (17173, 162345), (19815, 140699), (26715, 104359), (32469, 85865), (51519, 54115)]