26987541

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{739}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 43192320

約数和(自身を除く): 16204779

約数列:

[1, 3, 7, 21, 37, 47, 111, 141, 259, 329, 739, 777, 987, 1739, 2217, 5173, 5217, 12173, 15519, 27343, 34733, 36519, 82029, 104199, 191401, 243131, 574203, 729393, 1285121, 3855363, 8995847, 26987541]

約数ペア:

[(1, 26987541), (3, 8995847), (7, 3855363), (21, 1285121), (37, 729393), (47, 574203), (111, 243131), (141, 191401), (259, 104199), (329, 82029), (739, 36519), (777, 34733), (987, 27343), (1739, 15519), (2217, 12173), (5173, 5217)]