4000311

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:260

約数の個数: 36

約数和(自身を含む): 6900192

約数和(自身を除く): 2899881

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 193, 329, 423, 441, 579, 987, 1351, 1737, 2303, 2961, 4053, 6909, 9071, 9457, 12159, 20727, 27213, 28371, 63497, 81639, 85113, 190491, 444479, 571473, 1333437, 4000311]

約数ペア:

[(1, 4000311), (3, 1333437), (7, 571473), (9, 444479), (21, 190491), (47, 85113), (49, 81639), (63, 63497), (141, 28371), (147, 27213), (193, 20727), (329, 12159), (423, 9457), (441, 9071), (579, 6909), (987, 4053), (1351, 2961), (1737, 2303)]