13965721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 18911232

約数和(自身を除く): 4945511

約数列:

[1, 7, 11, 17, 47, 77, 119, 187, 227, 329, 517, 799, 1309, 1589, 2497, 3619, 3859, 5593, 8789, 10669, 17479, 27013, 42449, 61523, 74683, 117359, 181373, 297143, 821513, 1269611, 1995103, 13965721]

約数ペア:

[(1, 13965721), (7, 1995103), (11, 1269611), (17, 821513), (47, 297143), (77, 181373), (119, 117359), (187, 74683), (227, 61523), (329, 42449), (517, 27013), (799, 17479), (1309, 10669), (1589, 8789), (2497, 5593), (3619, 3859)]