217597127

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 260947008

約数和(自身を除く): 43349881

約数列:

[1, 11, 17, 41, 101, 187, 281, 451, 697, 1111, 1717, 3091, 4141, 4777, 7667, 11521, 18887, 28381, 45551, 52547, 70397, 126731, 195857, 312191, 482477, 774367, 1163621, 2154427, 5307247, 12799831, 19781557, 217597127]

約数ペア:

[(1, 217597127), (11, 19781557), (17, 12799831), (41, 5307247), (101, 2154427), (187, 1163621), (281, 774367), (451, 482477), (697, 312191), (1111, 195857), (1717, 126731), (3091, 70397), (4141, 52547), (4777, 45551), (7667, 28381), (11521, 18887)]