215540637

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{6917}}^1$

素因数の和:6997

約数の個数: 32

約数和(自身を含む): 334720512

約数和(自身を除く): 119179875

約数列:

[1, 3, 13, 17, 39, 47, 51, 141, 221, 611, 663, 799, 1833, 2397, 6917, 10387, 20751, 31161, 89921, 117589, 269763, 325099, 352767, 975297, 1528657, 4226287, 4585971, 5526683, 12678861, 16580049, 71846879, 215540637]

約数ペア:

[(1, 215540637), (3, 71846879), (13, 16580049), (17, 12678861), (39, 5526683), (47, 4585971), (51, 4226287), (141, 1528657), (221, 975297), (611, 352767), (663, 325099), (799, 269763), (1833, 117589), (2397, 89921), (6917, 31161), (10387, 20751)]