1621791143

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 1990656000

約数和(自身を除く): 368864857

約数列:

[1, 7, 17, 119, 127, 239, 449, 889, 1673, 2159, 3143, 4063, 7633, 15113, 28441, 30353, 53431, 57023, 107311, 212471, 399161, 516001, 751177, 969391, 1824287, 3612007, 6785737, 12770009, 13628497, 95399479, 231684449, 1621791143]

約数ペア:

[(1, 1621791143), (7, 231684449), (17, 95399479), (119, 13628497), (127, 12770009), (239, 6785737), (449, 3612007), (889, 1824287), (1673, 969391), (2159, 751177), (3143, 516001), (4063, 399161), (7633, 212471), (15113, 107311), (28441, 57023), (30353, 53431)]