51081903

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{613}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 75860928

約数和(自身を除く): 24779025

約数列:

[1, 3, 9, 47, 141, 197, 423, 591, 613, 1773, 1839, 5517, 9259, 27777, 28811, 83331, 86433, 120761, 259299, 362283, 1086849, 5675767, 17027301, 51081903]

約数ペア:

[(1, 51081903), (3, 17027301), (9, 5675767), (47, 1086849), (141, 362283), (197, 259299), (423, 120761), (591, 86433), (613, 83331), (1773, 28811), (1839, 27777), (5517, 9259)]