1868391

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 3154944

約数和(自身を除く): 1286553

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 631, 987, 1893, 2961, 4417, 5679, 13251, 29657, 39753, 88971, 207599, 266913, 622797, 1868391]

約数ペア:

[(1, 1868391), (3, 622797), (7, 266913), (9, 207599), (21, 88971), (47, 39753), (63, 29657), (141, 13251), (329, 5679), (423, 4417), (631, 2961), (987, 1893)]