90821289

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1747}}^1$

素因数の和:1837

約数の個数: 32

約数和(自身を含む): 137826304

約数和(自身を除く): 47005015

約数列:

[1, 3, 13, 31, 39, 43, 93, 129, 403, 559, 1209, 1333, 1677, 1747, 3999, 5241, 17329, 22711, 51987, 54157, 68133, 75121, 162471, 225363, 704041, 976573, 2112123, 2328751, 2929719, 6986253, 30273763, 90821289]

約数ペア:

[(1, 90821289), (3, 30273763), (13, 6986253), (31, 2929719), (39, 2328751), (43, 2112123), (93, 976573), (129, 704041), (403, 225363), (559, 162471), (1209, 75121), (1333, 68133), (1677, 54157), (1747, 51987), (3999, 22711), (5241, 17329)]