81323095

素因数分解:

$5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{4547}}^1$

素因数の和:4639

約数の個数: 24

約数和(自身を含む): 115100784

約数和(自身を除く): 33777689

約数列:

[1, 5, 7, 35, 49, 73, 245, 365, 511, 2555, 3577, 4547, 17885, 22735, 31829, 159145, 222803, 331931, 1114015, 1659655, 2323517, 11617585, 16264619, 81323095]

約数ペア:

[(1, 81323095), (5, 16264619), (7, 11617585), (35, 2323517), (49, 1659655), (73, 1114015), (245, 331931), (365, 222803), (511, 159145), (2555, 31829), (3577, 22735), (4547, 17885)]