71229543

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 124084224

約数和(自身を除く): 52854681

約数列:

[1, 3, 7, 11, 21, 33, 43, 71, 77, 101, 129, 213, 231, 301, 303, 473, 497, 707, 781, 903, 1111, 1419, 1491, 2121, 2343, 3053, 3311, 3333, 4343, 5467, 7171, 7777, 9159, 9933, 13029, 16401, 21371, 21513, 23331, 30401, 33583, 47773, 50197, 64113, 78881, 91203, 100749, 143319, 150591, 235081, 236643, 308353, 334411, 552167, 705243, 925059, 1003233, 1656501, 2158471, 3391883, 6475413, 10175649, 23743181, 71229543]

約数ペア:

[(1, 71229543), (3, 23743181), (7, 10175649), (11, 6475413), (21, 3391883), (33, 2158471), (43, 1656501), (71, 1003233), (77, 925059), (101, 705243), (129, 552167), (213, 334411), (231, 308353), (301, 236643), (303, 235081), (473, 150591), (497, 143319), (707, 100749), (781, 91203), (903, 78881), (1111, 64113), (1419, 50197), (1491, 47773), (2121, 33583), (2343, 30401), (3053, 23331), (3311, 21513), (3333, 21371), (4343, 16401), (5467, 13029), (7171, 9933), (7777, 9159)]