251710317

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{349}}^1\times {\mathrm{631}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 368076800

約数和(自身を除く): 116366483

約数列:

[1, 3, 9, 127, 349, 381, 631, 1047, 1143, 1893, 3141, 5679, 44323, 80137, 132969, 220219, 240411, 398907, 660657, 721233, 1981971, 27967813, 83903439, 251710317]

約数ペア:

[(1, 251710317), (3, 83903439), (9, 27967813), (127, 1981971), (349, 721233), (381, 660657), (631, 398907), (1047, 240411), (1143, 220219), (1893, 132969), (3141, 80137), (5679, 44323)]