2678487

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:180

約数の個数: 32

約数和(自身を含む): 4416000

約数和(自身を除く): 1737513

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 137, 147, 343, 399, 411, 931, 959, 1029, 2603, 2793, 2877, 6517, 6713, 7809, 18221, 19551, 20139, 46991, 54663, 127547, 140973, 382641, 892829, 2678487]

約数ペア:

[(1, 2678487), (3, 892829), (7, 382641), (19, 140973), (21, 127547), (49, 54663), (57, 46991), (133, 20139), (137, 19551), (147, 18221), (343, 7809), (399, 6713), (411, 6517), (931, 2877), (959, 2793), (1029, 2603)]