51421353

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 76661760

約数和(自身を除く): 25240407

約数列:

[1, 3, 19, 23, 57, 61, 69, 183, 437, 643, 1159, 1311, 1403, 1929, 3477, 4209, 12217, 14789, 26657, 36651, 39223, 44367, 79971, 117669, 280991, 745237, 842973, 902129, 2235711, 2706387, 17140451, 51421353]

約数ペア:

[(1, 51421353), (3, 17140451), (19, 2706387), (23, 2235711), (57, 902129), (61, 842973), (69, 745237), (183, 280991), (437, 117669), (643, 79971), (1159, 44367), (1311, 39223), (1403, 36651), (1929, 26657), (3477, 14789), (4209, 12217)]