1807191

素因数分解:

$3^6\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:122

約数の個数: 28

約数和(自身を含む): 2824312

約数和(自身を除く): 1017121

約数列:

[1, 3, 9, 27, 37, 67, 81, 111, 201, 243, 333, 603, 729, 999, 1809, 2479, 2997, 5427, 7437, 8991, 16281, 22311, 26973, 48843, 66933, 200799, 602397, 1807191]

約数ペア:

[(1, 1807191), (3, 602397), (9, 200799), (27, 66933), (37, 48843), (67, 26973), (81, 22311), (111, 16281), (201, 8991), (243, 7437), (333, 5427), (603, 2997), (729, 2479), (999, 1809)]