248045487

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 356742144

約数和(自身を除く): 108696657

約数列:

[1, 3, 17, 51, 131, 137, 271, 393, 411, 813, 2227, 2329, 4607, 6681, 6987, 13821, 17947, 35501, 37127, 53841, 106503, 111381, 305099, 603517, 631159, 915297, 1810551, 1893477, 4863637, 14590911, 82681829, 248045487]

約数ペア:

[(1, 248045487), (3, 82681829), (17, 14590911), (51, 4863637), (131, 1893477), (137, 1810551), (271, 915297), (393, 631159), (411, 603517), (813, 305099), (2227, 111381), (2329, 106503), (4607, 53841), (6681, 37127), (6987, 35501), (13821, 17947)]