7261947

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{499}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 13680000

約数和(自身を除く): 6418053

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 231, 297, 441, 499, 539, 693, 1323, 1497, 1617, 2079, 3493, 4491, 4851, 5489, 10479, 13473, 14553, 16467, 24451, 31437, 38423, 49401, 73353, 94311, 115269, 148203, 220059, 268961, 345807, 660177, 806883, 1037421, 2420649, 7261947]

約数ペア:

[(1, 7261947), (3, 2420649), (7, 1037421), (9, 806883), (11, 660177), (21, 345807), (27, 268961), (33, 220059), (49, 148203), (63, 115269), (77, 94311), (99, 73353), (147, 49401), (189, 38423), (231, 31437), (297, 24451), (441, 16467), (499, 14553), (539, 13473), (693, 10479), (1323, 5489), (1497, 4851), (1617, 4491), (2079, 3493)]