3891741

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3943}}^1$

素因数の和:4000

約数の個数: 16

約数和(自身を含む): 6057984

約数和(自身を除く): 2166243

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 3943, 11829, 27601, 82803, 185321, 555963, 1297247, 3891741]

約数ペア:

[(1, 3891741), (3, 1297247), (7, 555963), (21, 185321), (47, 82803), (141, 27601), (329, 11829), (987, 3943)]