39416139

素因数分解:

$3^4\times 7^2\times {\mathrm{9931}}^1$

素因数の和:9957

約数の個数: 30

約数和(自身を含む): 68501004

約数和(自身を除く): 29084865

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 9931, 29793, 69517, 89379, 208551, 268137, 486619, 625653, 804411, 1459857, 1876959, 4379571, 5630877, 13138713, 39416139]

約数ペア:

[(1, 39416139), (3, 13138713), (7, 5630877), (9, 4379571), (21, 1876959), (27, 1459857), (49, 804411), (63, 625653), (81, 486619), (147, 268137), (189, 208551), (441, 89379), (567, 69517), (1323, 29793), (3969, 9931)]