388977183

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1033}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 662421760

約数和(自身を除く): 273444577

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 139, 301, 387, 417, 903, 973, 1033, 1251, 2709, 2919, 3099, 5977, 7231, 8757, 9297, 17931, 21693, 41839, 44419, 53793, 65079, 125517, 133257, 143587, 310933, 376551, 399771, 430761, 932799, 1005109, 1292283, 2798397, 3015327, 6174241, 9045981, 18522723, 43219687, 55568169, 129659061, 388977183]

約数ペア:

[(1, 388977183), (3, 129659061), (7, 55568169), (9, 43219687), (21, 18522723), (43, 9045981), (63, 6174241), (129, 3015327), (139, 2798397), (301, 1292283), (387, 1005109), (417, 932799), (903, 430761), (973, 399771), (1033, 376551), (1251, 310933), (2709, 143587), (2919, 133257), (3099, 125517), (5977, 65079), (7231, 53793), (8757, 44419), (9297, 41839), (17931, 21693)]