7897281

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1733}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 12651264

約数和(自身を除く): 4753983

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 1733, 4557, 5199, 12131, 36393, 53723, 84917, 161169, 254751, 376061, 1128183, 2632427, 7897281]

約数ペア:

[(1, 7897281), (3, 2632427), (7, 1128183), (21, 376061), (31, 254751), (49, 161169), (93, 84917), (147, 53723), (217, 36393), (651, 12131), (1519, 5199), (1733, 4557)]