1687855347

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{439}}^1\times {\mathrm{907}}^1$

素因数の和:1512

約数の個数: 32

約数和(自身を含む): 2524966400

約数和(自身を除く): 837111053

約数列:

[1, 3, 9, 27, 157, 439, 471, 907, 1317, 1413, 2721, 3951, 4239, 8163, 11853, 24489, 68923, 142399, 206769, 398173, 427197, 620307, 1194519, 1281591, 1860921, 3583557, 3844773, 10750671, 62513161, 187539483, 562618449, 1687855347]

約数ペア:

[(1, 1687855347), (3, 562618449), (9, 187539483), (27, 62513161), (157, 10750671), (439, 3844773), (471, 3583557), (907, 1860921), (1317, 1281591), (1413, 1194519), (2721, 620307), (3951, 427197), (4239, 398173), (8163, 206769), (11853, 142399), (24489, 68923)]