11787741

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1327}}^1$

素因数の和:1390

約数の個数: 32

約数和(自身を含む): 20398080

約数和(自身を除く): 8610339

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 1327, 2961, 3981, 8883, 9289, 11943, 27867, 35829, 62369, 83601, 187107, 250803, 436583, 561321, 1309749, 1683963, 3929247, 11787741]

約数ペア:

[(1, 11787741), (3, 3929247), (7, 1683963), (9, 1309749), (21, 561321), (27, 436583), (47, 250803), (63, 187107), (141, 83601), (189, 62369), (329, 35829), (423, 27867), (987, 11943), (1269, 9289), (1327, 8883), (2961, 3981)]