26647551

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 20526849

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 139, 153, 179, 357, 417, 537, 973, 1071, 1251, 1253, 1611, 2363, 2919, 3043, 3759, 7089, 8757, 9129, 11277, 16541, 21267, 21301, 24881, 27387, 49623, 63903, 74643, 148869, 174167, 191709, 223929, 422977, 522501, 1268931, 1567503, 2960839, 3806793, 8882517, 26647551]

約数ペア:

[(1, 26647551), (3, 8882517), (7, 3806793), (9, 2960839), (17, 1567503), (21, 1268931), (51, 522501), (63, 422977), (119, 223929), (139, 191709), (153, 174167), (179, 148869), (357, 74643), (417, 63903), (537, 49623), (973, 27387), (1071, 24881), (1251, 21301), (1253, 21267), (1611, 16541), (2363, 11277), (2919, 9129), (3043, 8757), (3759, 7089)]