12946257

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 19958400

約数和(自身を除く): 7012143

約数列:

[1, 3, 9, 27, 53, 83, 109, 159, 249, 327, 477, 747, 981, 1431, 2241, 2943, 4399, 5777, 9047, 13197, 17331, 27141, 39591, 51993, 81423, 118773, 155979, 244269, 479491, 1438473, 4315419, 12946257]

約数ペア:

[(1, 12946257), (3, 4315419), (9, 1438473), (27, 479491), (53, 244269), (83, 155979), (109, 118773), (159, 81423), (249, 51993), (327, 39591), (477, 27141), (747, 17331), (981, 13197), (1431, 9047), (2241, 5777), (2943, 4399)]