77688639

素因数分解:

$3^4\times 7^1\times {\mathrm{181}}^1\times {\mathrm{757}}^1$

素因数の和:957

約数の個数: 40

約数和(自身を含む): 133541408

約数和(自身を除く): 55852769

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 181, 189, 543, 567, 757, 1267, 1629, 2271, 3801, 4887, 5299, 6813, 11403, 14661, 15897, 20439, 34209, 47691, 61317, 102627, 137017, 143073, 411051, 429219, 959119, 1233153, 2877357, 3699459, 8632071, 11098377, 25896213, 77688639]

約数ペア:

[(1, 77688639), (3, 25896213), (7, 11098377), (9, 8632071), (21, 3699459), (27, 2877357), (63, 1233153), (81, 959119), (181, 429219), (189, 411051), (543, 143073), (567, 137017), (757, 102627), (1267, 61317), (1629, 47691), (2271, 34209), (3801, 20439), (4887, 15897), (5299, 14661), (6813, 11403)]