30745911

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1$

素因数の和:1311

約数の個数: 32

約数和(自身を含む): 50347008

約数和(自身を除く): 19601097

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 213, 357, 497, 1207, 1213, 1491, 3621, 3639, 8449, 8491, 20621, 25347, 25473, 61863, 86123, 144347, 258369, 433041, 602861, 1464091, 1808583, 4392273, 10248637, 30745911]

約数ペア:

[(1, 30745911), (3, 10248637), (7, 4392273), (17, 1808583), (21, 1464091), (51, 602861), (71, 433041), (119, 258369), (213, 144347), (357, 86123), (497, 61863), (1207, 25473), (1213, 25347), (1491, 20621), (3621, 8491), (3639, 8449)]