1787667921

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{7523}}^1$

素因数の和:8222

約数の個数: 32

約数和(自身を含む): 2856712320

約数和(自身を除く): 1069044399

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 677, 2031, 6093, 7523, 8801, 18279, 22569, 26403, 67707, 79209, 97799, 203121, 237627, 293397, 880191, 2640573, 5093071, 15279213, 45837639, 66209923, 137512917, 198629769, 595889307, 1787667921]

約数ペア:

[(1, 1787667921), (3, 595889307), (9, 198629769), (13, 137512917), (27, 66209923), (39, 45837639), (117, 15279213), (351, 5093071), (677, 2640573), (2031, 880191), (6093, 293397), (7523, 237627), (8801, 203121), (18279, 97799), (22569, 79209), (26403, 67707)]