157438971

素因数分解:

$3^5\times {\mathrm{257}}^1\times {\mathrm{2521}}^1$

素因数の和:2793

約数の個数: 24

約数和(自身を含む): 236846064

約数和(自身を除く): 79407093

約数列:

[1, 3, 9, 27, 81, 243, 257, 771, 2313, 2521, 6939, 7563, 20817, 22689, 62451, 68067, 204201, 612603, 647897, 1943691, 5831073, 17493219, 52479657, 157438971]

約数ペア:

[(1, 157438971), (3, 52479657), (9, 17493219), (27, 5831073), (81, 1943691), (243, 647897), (257, 612603), (771, 204201), (2313, 68067), (2521, 62451), (6939, 22689), (7563, 20817)]