83990739

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1979}}^1$

素因数の和:2079

約数の個数: 32

約数和(自身を含む): 133816320

約数和(自身を除く): 49825581

約数列:

[1, 3, 7, 21, 43, 47, 129, 141, 301, 329, 903, 987, 1979, 2021, 5937, 6063, 13853, 14147, 41559, 42441, 85097, 93013, 255291, 279039, 595679, 651091, 1787037, 1953273, 3999559, 11998677, 27996913, 83990739]

約数ペア:

[(1, 83990739), (3, 27996913), (7, 11998677), (21, 3999559), (43, 1953273), (47, 1787037), (129, 651091), (141, 595679), (301, 279039), (329, 255291), (903, 93013), (987, 85097), (1979, 42441), (2021, 41559), (5937, 14147), (6063, 13853)]