1640883909

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{132661}}^1$

素因数の和:132721

約数の個数: 32

約数和(自身を含む): 2716917760

約数和(自身を除く): 1076033851

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1767, 4123, 12369, 132661, 397983, 928627, 2520559, 2785881, 4112491, 7561677, 12337473, 17643913, 28787437, 52931739, 78137329, 86362311, 234411987, 546961303, 1640883909]

約数ペア:

[(1, 1640883909), (3, 546961303), (7, 234411987), (19, 86362311), (21, 78137329), (31, 52931739), (57, 28787437), (93, 17643913), (133, 12337473), (217, 7561677), (399, 4112491), (589, 2785881), (651, 2520559), (1767, 928627), (4123, 397983), (12369, 132661)]