7664139

素因数分解:

$3^4\times 7^2\times {\mathrm{1931}}^1$

素因数の和:1957

約数の個数: 30

約数和(自身を含む): 13325004

約数和(自身を除く): 5660865

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 1931, 3969, 5793, 13517, 17379, 40551, 52137, 94619, 121653, 156411, 283857, 364959, 851571, 1094877, 2554713, 7664139]

約数ペア:

[(1, 7664139), (3, 2554713), (7, 1094877), (9, 851571), (21, 364959), (27, 283857), (49, 156411), (63, 121653), (81, 94619), (147, 52137), (189, 40551), (441, 17379), (567, 13517), (1323, 5793), (1931, 3969)]