201781287

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{37181}}^1$

素因数の和:37260

約数の個数: 20

約数和(自身を含む): 305933496

約数和(自身を除く): 104152209

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 37181, 111543, 334629, 1003887, 2491127, 3011661, 7473381, 22420143, 67260429, 201781287]

約数ペア:

[(1, 201781287), (3, 67260429), (9, 22420143), (27, 7473381), (67, 3011661), (81, 2491127), (201, 1003887), (603, 334629), (1809, 111543), (5427, 37181)]