25919487

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 42197760

約数和(自身を除く): 16278273

約数列:

[1, 3, 9, 11, 27, 33, 99, 197, 297, 443, 591, 1329, 1773, 2167, 3987, 4873, 5319, 6501, 11961, 14619, 19503, 43857, 58509, 87271, 131571, 261813, 785439, 959981, 2356317, 2879943, 8639829, 25919487]

約数ペア:

[(1, 25919487), (3, 8639829), (9, 2879943), (11, 2356317), (27, 959981), (33, 785439), (99, 261813), (197, 131571), (297, 87271), (443, 58509), (591, 43857), (1329, 19503), (1773, 14619), (2167, 11961), (3987, 6501), (4873, 5319)]