6681978

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 15175680

約数和(自身を除く): 8493702

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 79, 111, 127, 158, 222, 237, 254, 333, 381, 474, 666, 711, 762, 1143, 1422, 2286, 2923, 4699, 5846, 8769, 9398, 10033, 14097, 17538, 20066, 26307, 28194, 30099, 42291, 52614, 60198, 84582, 90297, 180594, 371221, 742442, 1113663, 2227326, 3340989, 6681978]

約数ペア:

[(1, 6681978), (2, 3340989), (3, 2227326), (6, 1113663), (9, 742442), (18, 371221), (37, 180594), (74, 90297), (79, 84582), (111, 60198), (127, 52614), (158, 42291), (222, 30099), (237, 28194), (254, 26307), (333, 20066), (381, 17538), (474, 14097), (666, 10033), (711, 9398), (762, 8769), (1143, 5846), (1422, 4699), (2286, 2923)]