53281221

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1459}}^1$

素因数の和:1553

約数の個数: 32

約数和(自身を含む): 85217280

約数和(自身を除く): 31936059

約数列:

[1, 3, 7, 21, 37, 47, 111, 141, 259, 329, 777, 987, 1459, 1739, 4377, 5217, 10213, 12173, 30639, 36519, 53983, 68573, 161949, 205719, 377881, 480011, 1133643, 1440033, 2537201, 7611603, 17760407, 53281221]

約数ペア:

[(1, 53281221), (3, 17760407), (7, 7611603), (21, 2537201), (37, 1440033), (47, 1133643), (111, 480011), (141, 377881), (259, 205719), (329, 161949), (777, 68573), (987, 53983), (1459, 36519), (1739, 30639), (4377, 12173), (5217, 10213)]