1993173861

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{9973}}^1$

素因数の和:10321

約数の個数: 32

約数和(自身を含む): 3145719808

約数和(自身を除く): 1152545947

約数列:

[1, 3, 7, 21, 31, 93, 217, 307, 651, 921, 2149, 6447, 9517, 9973, 28551, 29919, 66619, 69811, 199857, 209433, 309163, 927489, 2164141, 3061711, 6492423, 9185133, 21431977, 64295931, 94913041, 284739123, 664391287, 1993173861]

約数ペア:

[(1, 1993173861), (3, 664391287), (7, 284739123), (21, 94913041), (31, 64295931), (93, 21431977), (217, 9185133), (307, 6492423), (651, 3061711), (921, 2164141), (2149, 927489), (6447, 309163), (9517, 209433), (9973, 199857), (28551, 69811), (29919, 66619)]