7890057

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 14152320

約数和(自身を除く): 6262263

約数列:

[1, 3, 7, 9, 17, 21, 51, 53, 63, 119, 139, 153, 159, 357, 371, 417, 477, 901, 973, 1071, 1113, 1251, 2363, 2703, 2919, 3339, 6307, 7089, 7367, 8109, 8757, 16541, 18921, 21267, 22101, 49623, 51569, 56763, 66303, 125239, 148869, 154707, 375717, 464121, 876673, 1127151, 2630019, 7890057]

約数ペア:

[(1, 7890057), (3, 2630019), (7, 1127151), (9, 876673), (17, 464121), (21, 375717), (51, 154707), (53, 148869), (63, 125239), (119, 66303), (139, 56763), (153, 51569), (159, 49623), (357, 22101), (371, 21267), (417, 18921), (477, 16541), (901, 8757), (973, 8109), (1071, 7367), (1113, 7089), (1251, 6307), (2363, 3339), (2703, 2919)]