257241777

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{16127}}^1$

素因数の和:16552

約数の個数: 16

約数和(自身を含む): 370298880

約数和(自身を除く): 113057103

約数列:

[1, 3, 13, 39, 409, 1227, 5317, 15951, 16127, 48381, 209651, 628953, 6595943, 19787829, 85747259, 257241777]

約数ペア:

[(1, 257241777), (3, 85747259), (13, 19787829), (39, 6595943), (409, 628953), (1227, 209651), (5317, 48381), (15951, 16127)]