221465387

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2203}}^1$

素因数の和:2283

約数の個数: 32

約数和(自身を含む): 281406720

約数和(自身を除く): 59941333

約数列:

[1, 11, 13, 19, 37, 143, 209, 247, 407, 481, 703, 2203, 2717, 5291, 7733, 9139, 24233, 28639, 41857, 81511, 100529, 315029, 460427, 544141, 896621, 1059643, 1548709, 5985551, 11656073, 17035799, 20133217, 221465387]

約数ペア:

[(1, 221465387), (11, 20133217), (13, 17035799), (19, 11656073), (37, 5985551), (143, 1548709), (209, 1059643), (247, 896621), (407, 544141), (481, 460427), (703, 315029), (2203, 100529), (2717, 81511), (5291, 41857), (7733, 28639), (9139, 24233)]