156957903

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{137321}}^1$

素因数の和:137454

約数の個数: 12

約数和(自身を含む): 228503808

約数和(自身を除く): 71545905

約数列:

[1, 3, 9, 127, 381, 1143, 137321, 411963, 1235889, 17439767, 52319301, 156957903]

約数ペア:

[(1, 156957903), (3, 52319301), (9, 17439767), (127, 1235889), (381, 411963), (1143, 137321)]